NEWS 2018 Chemicals. Chemicals. NEW Products and Programme Extensions. Table of contents

EWS 2018 Chemicals EW Products and Programme Extensions Chemicals Table of contents Amino Acids p. 2 Salts p. 9 Catalysts p. 4 ca Gels p. 14 Elements p. 5 Solvents p. 17 Ligands p. 6 for ICP-MS p. 21 Reagents for Synthesis p. 7 Volumetric Standard Solutions p. 24

Acids Perchloric acid 70 % Perchloric acid 70 % Perc RTIPURA 70 %, p.a. HCI 4 M 100,46 g/mol D 1,688 bp 198 C mp -18 C [7601-90-3] EC o. 231-512-4 U o. 1873 ADR 5.1 (8) I o h Danger H271-H290-H314 Assay...69-72 % Free chlorine (Cl 2 )... 0,0005 % Ash content (as S 4 ).... 0,005 % Total nitrogen (as ).... 0,001 % Chloride (Cl).... 0,0005 % Sulphate (S 4 ).... 0,001 % Barium (Ba).... 0,0001 % Beryllium (Be).... 0,0001 % Lead (Pb)... 0,0001 % Cadmium (Cd).... 0,0001 % Calcium (Ca)... 0,0001 % Cobalt (Co).... 0,0001 % Iron (Fe)... 0,0001 % Potassium (K).... 0,0001 % Copper (Cu)... 0,0001 % Manganese (Mn).... 0,0001 % ickel (i)... 0,0001 % Silver (Ag)... 0,0001 % Strontium (Sr).... 0,0001 % Zinc (Zn).... 0,0001 % 9216.1 500 ml glass 62,50 9216.2 1 l glass 103,90 riginal pack 6 x 1 l 98,71/1 l H 3 C Amino Acids Boc-L-Cysteine-(4-Mbzl) Boc-L-Cysteine-(4-Mbzl) Boc 98,5 %, for biochemistry Boc-Cys(4-Mbzl)-H, α -tert.-butyloxycarbonyl-s-(4-methylbenzyl)-l-cysteine, -α-t.-boc-s-p-methylbenzyl-l-cysteine, Boc-S-(4-methylbenzyl)-L-cysteine C₁₆H₂₃₄S M 325,42 g/mol mp 63-66 C Storage temp.: +4 C [61925-77-7] Appearance... white to off-white powder Purity (HPLC).... 98,5 % Specific rotation [α]a (2 % in methanol)....... -37,0 to -34,0 Water (KF)... 2,0 % Enantiomeric purity... 0,5 % D-Enantiomer 2042.1 5 g plastic 19,90 2042.2 10 g plastic 34,90 2042.3 25 g plastic 64,90 2 Boc-L-Histidine-(Dnp) 2 Boc-L-Histidine-(Dnp) Boc 97,5 %, for biochemistry S H H H Boc-L-His(Dnp)-H, α -tert.-butyloxycarbonyl- im -2,4-dinitrophenyl-L-histidine, -α-boc-(im)-(2,4-dinitrophenyl)-l-histidine C 17 H 19 5 8 M 421,37 g/mol mp 98-100 C Storage temp.: +4 C [25024-53-7] EC o. 246-569-0 Appearance...slightly yellow to light yellow powder Purity (HPLC).... 97,5 % Rotation spéc. [α]a (1 % dans EtAc).......+52,0 to +60,0 Water (KF)... 2,0 % Residual solvents (2-Propanol).... 15,0 % Enantiomeric purity... 0,5 % D-Enantiomer 1994.1 1 g glass 19,90 1994.2 5 g plastic 44,90 1994.3 10 g plastic 79,90 H Fmoc-L-rnithine-(Boc) Fmoc-L-rnithine-(Boc) Fmoc 98 %, for biochemistry Fmoc-L-rn(Boc)-H, α -9-Fluorenylmethoxycarbonyl- δ -tert. Butyloxycarbonyl- L-ornithine, α -Fmoc- δ -t.-boc-l-rnithine C 25 H 30 2 6 M 454,52 g/mol mp 100-115 C Storage temp.: + 4 C [109425-55-0] Appearance.... white to off-white powder Purity (HPLC)... 98,0 % Specific rotation (1 % in DMF)...-10,0 to -6,0 Water (KF).... 2,0 % Enantiomeric purity.... 0,5 % D-Enantiomer 1932.1 1 g glass 19,90 1932.2 5 g plastic 49,90 1932.3 10 g plastic 89,90 H 2 H H H Z-L-Arginine Z-L-Arginine H H Argi 98,5 %, for biochemistry H H Z-L-Arg-H, α -Benzyloxycarbonyl-L-arginine, α -Carbobenzyloxy-L-arginine, Cbz-L-Arginine C 14 H 20 4 4 M 308,34 g/mol mp 167-177 C [1234-35-1] EC o. 214-973-6 Appearance.... white to off-white powder Purity (HPLC)... 98,5 % Specific rotation [α]a (4 % in 1 HCl)...-11,0 to -7,0 Water (KF).... 2,0 % Enantiomeric purity.... 0,5 % D-Enantiomer 1914.1 5 g plastic 14,90 1914.2 25 g plastic 39,90 1914.3 100 g plastic 99,90 2 Carl Roth GmbH + Co. KG Schoemperlenstr. 3-5 76185 Karlsruhe www.carlroth.com Phone +49 721/5606 510 Fax +49 721/5606 111

H Z-L-Aspartic acid Z-L-Aspartic acid Aspa 98,5 %, for biochemistry Z-L-Asp-H, α -Benzyloxycarbonyl-L-aspartic acid, α -Carbobenzyloxy-L-aspartic acid, Cbz-L-Aspartic acid C 12 H 13 6 M 267,23 g/mol mp 115-120 C [1152-61-0] EC o. 214-568-4 g Warning H315-H319-H335 Appearance....white to off-white powder Purity (HPLC)... 98,5 % Specific rotation [α]a (2 % in AcH)... +8,0 to +10,0 Water (KF).... 2,0 % Enantiomeric purity.... 0,5 % D-Enantiomer 1894.1 5 g plastic 16,90 1894.2 25 g plastic 48,90 1894.3 100 g plastic 129,00 H H Z-L-Glutamic acid H H Z-L-Glutamic acid Glut 98,5 %, for biochemistry H Z-L-Glu-H, α -Benzyloxycarbonyl-L-glutamic acid, α -Carbobenzyloxy-L-glutamic acid, Cbz-L-Glutamic acid C 13 H 15 6 M 281,26 g/mol mp 116-122 C [1155-62-0] EC o. 214-584-1 Appearance....white to off-white powder Purity (HPLC)... 98,5 % Specific rotation [α]a (4 % in AcH)... -8,5 to -6,5 Water (KF).... 2,0 % Enantiomeric purity.... 0,5 % D-Enantiomer 1885.1 5 g plastic 14,90 1885.2 25 g plastic 39,90 1885.3 100 g plastic 119,00 H 3 C Z-L-Leucine Leuc 94 %, for biochemistry Z-L-Leu-H, α -Benzyloxycarbonyl-L-leucine, α -Carbobenzyloxy-L-leucine, Cbz-L-Leucine C 14 H 19 4 M 265,30 g/mol [2018-66-8] EC o. 217-960-3 Appearance... colourless-yellowish liquid Assay (acidim.)... 94,0 % Purity (HPLC).... 97,5 % Spec. rotation [α]a (2 % in Ethanol)... -18,5 to -16,5 Free amino acids... 0,2 % Water (KF)... 1,0 % Enantiomeric purity... 0,5 % D-Enantiomer Z-L-Lysine Z-L-Leucine 1859.1 5 g glass 14,90 1859.2 25 g glass 35,90 1859.3 100 g glass 99,90 H 2 CH 3 H H H Z-L-Lysine Lysin 98 %, for biochemistry H Z-L-Lys-H, α -Benzyloxycarbonyl-L-lysine, α -Carbobenzyloxy-L-lysine, Cbz-L-Lysine C 14 H 20 2 4 M 280,32 g/mol mp 210-230 C [2212-75-1] EC o. 218-662-6 Appearance... white to off-white powder Purity (HPLC).... 98,0 % Specific rotation [α]a (2 % in 0,2 HCl)...... -15,0 to -11,0 Water (KF)... 2,0 % Enantiomeric purity... 0,5 % D-Enantiomer 1907.1 1 g glass 19,90 1907.2 5 g plastic 59,90 1907.3 10 g plastic 99,90 Z-L-Phenylalanine Z-L-Phenylalanine Phen 98 %, for biochemistry Z-L-Phe-H, α -Benzyloxycarbonyl-L-phenylalanine, α -Carbobenzyloxy-L-phenylalanine, Cbz-L-Phenylalanine C 17 H 17 4 M 299,32 g/mol mp 80-90 C [1161-13-3] EC o. 214-599-3 Appearance.... white to off-white powder Purity (HPLC)... 98,0 % Specific rotation [α]a (2 % in AcH).... +3,5 to +6,5 Water (KF).... 2,0 % Enantiomeric purity.... 0,5 % D-Enantiomer 1865.1 5 g plastic 19,90 1865.2 25 g plastic 49,90 1865.3 100 g plastic 129,00 Analytical Reagents Benedict's reagent Benedict's reagent Bene for sugar determination U o. 3082 ADR 9 III WGK 3 g j Warning H319-H411 Appearance....blue solution Density (20 C)... 1,15-1,19 g/cm 3 Formulation: Sodium carbonate anhydrous, tri-sodium citrate dihydrate, Copper(II) sulphate pentahydrate, water 0010.1 100 ml dropp. bottle 16,90 For ordering and information about prices and delivery in your country please contact us or your local distributor info@carlroth.com 3

Auxiliary Reagents Dowex 50 W X 2 Cation exchanger Dowex 50 W X 2 Dowe 50-100 mesh, H + -form Highly acidic cation exchanger. [69011-20-7] g Warning H319 Appearance.... beads Water capacity...74-82 % Capacity (eq/l).... 0,6 Counter ion....h + Particle size (mesh): >20.... 15 % <70.... 15 % Matrix: Polystyrene - DVB; Active group: sulphonate 6800.1 50 g plastic 42,90 6800.2 250 g plastic 145,50 6800.3 1 kg plastic 499,00 riginal pack 6 x 1 kg 474,05/1 kg Dowex 50 W X 4 Cation exchanger Dowex 50 W X 4 Dowe 200-400 mesh, H + -form [11113-61-4] g Warning H319 Appearance.... beads Water capacity...64-72 % Capacity (eq/l).... 1,1 Counter ion....h + Particle size (mesh): >100.... 15 % <325.... 15 % Matrix: Polystyrene - DVB; Active group: sulphonate 6821.1 50 g plastic 40,50 6821.2 250 g plastic 136,90 6821.3 1 kg plastic 469,00 riginal pack 6 x 1 kg 445,55/1 kg [65997-17-3] EC o. 266-046-0 Glass wool, 8 µm Glas chemically resistant glass according to DI 1259-1 Filter aid, for laboratory work. Fiber diameter.... 7,2-8,8 µm Loss on ignition.... 0,3 % 0691.1 500 g plastic 19,90 riginal pack 6 x 500 g 18,91/500 g 0691.2 1 kg plastic 32,90 riginal pack 6 x 1 kg 31,26/1 kg Glass wool, 25 µm Glas chemically resistant glass according to DI 1259-1 Filter aid, for laboratory work. Fiber diameter.... 22,0-28,0 µm Loss on ignition.... 0,3 % 0700.1 500 g plastic 18,90 riginal pack 6 x 500 g 17,96/500 g 0700.2 1 kg plastic 29,90 riginal pack 6 x 1 kg 28,41/1 kg Carbohydrates Starch from potatoes, soluble Star p.a., ACS Glass wool Starch from potatoes, soluble (C 6 H 10 5 ) n M (162,14) n g/mol D1,04 mp 257 C Solubility: 50 g/l (H 2, 90 C) [9005-84-9] EC o. 232-686-4 Appearance... white powder ph (2 % in H 2, 25 C).... 5,0-7,0 Ash content.... 0,4 % Solubility... complies Sensitivity.... complies 2045.1 100 g plastic 19,90 2045.2 250 g plastic 32,90 2045.3 1 kg plastic 109,00 riginal pack 6 x 1 kg 103,55/1 kg Catalysts ickel-aluminium alloy ickel-aluminium alloy ick 50/50 % i/al powder, for synthesis For the production of Raney nickel. Aluminium-nickel alloy i:al D4,3 mp ~1460 C Solubility: insoluble (H 2 ) [12635-29-9] U o. 1396 ADR 4.3 III WGK 2 l g n Danger H261-H317-H351-H372-H412 Appearance....grey to grey black cryst. powder Aluminium (Al)...47,0-52,0 % ickel (i)....48,0-53,0 % Particle size... 100-160 mesh 0663.1 50 g plastic 15,90 0663.2 250 g plastic 69,90 0663.3 500 g plastic 125,00 riginal pack 6 x 500 g 118,75/500 g Palladium (10 %) on activated carbon Palladium (10 %) on activated carbon Palla 10 % Pd/C with approx. 60 % water Catalyst Pd/C 10 % bp 2963 C mp 1554 C [7440-05-03] EC o. 231-115-6 g Warning H315-H319 Appearance.... black wet powder Assay (Pd).... 10 % Water....50-70 % Specific surface.... 900-1300 m 2 /g Mean particle sizing....30,0 µm Aluminium (Al)... 0,05 % Copper (Cu).... 0,01 % Iron (Fe).... 0,01 % Magnesium (Mg)... 0,05 % Manganese (Mn)... 0,01 % Tin (Sn).... 0,05 % Store under inert gas. 1446.1 1 g glass 19,90 1446.2 2,5 g glass 39,90 1446.3 5 g glass 69,90 4 Carl Roth GmbH + Co. KG Schoemperlenstr. 3-5 76185 Karlsruhe www.carlroth.com Phone +49 721/5606 510 Fax +49 721/5606 111

Tetrakis(triphenylphosphine)- palladium(0) Tetrakis(triphenylphosphine)- palladium(0) Tetra 98 % P 4 Pd Catalyst Palladium tetrakis(triphenylphosphine), Pd(PPh 3 ) 4 Pd(P(C₆H₅)₃)₄ M 1155,58 g/mol Storage temp.: +4 C [14221-01-3] EC o. 238-086-9 Appearance....yellow to light-green powder Assay... 98 % Palladium (Pd).... 9,0 % Gold (Au).... 0,01 % Rhodium (Rh).... 0,01 % Iridium (Ir).... 0,01 % Store under inert gas. 0920.1 1 g glass 24,90 0920.2 5 g glass 89,00 0920.3 10 g glass 149,00 ickel foil ick 99,99 % (4), foil Foil 50 mm long, 25 mm wide, 0,25 mm thick. i M 58,71 g/mol D 8,90 bp 2832 C mp 1453 C [7440-02-0] EC o. 231-111-4 WGK 2 g n Danger H317-H351-H372 Purity.... 99,99 % Pt D 21,45 bp 3827 C mp 1772 C [7440-06-4] EC o. 231-116-1 Platinum wire Plat 99,95 %, 0,2 mm ickel foil 0529.1 1 piece plastic 84,90 0529.2 5 pieces plastic 389,00 Platinum wire Assay.... 99,95 % Diameter...0,2 mm 0737.1 25 cm plastic 74,90 Indicators Dimethyl yellow (C.I. 11020) Dime pure Dimethyl yellow (C.I. 11020) Indicator ph 2,9-4,0 p-dimethylaminoazobenzene, Solvent Yellow 2, Butter Yellow, Methyl yellow C 14 H 15 3 M 225,29 g/mol mp 110-116 C (dec.) [60-11-7] EC o. 200-455-7 U o. 2811 ADR 6.1 III WGK 2 i n Danger H301-H351 ph-transition range....2,9 (red)-4,0 (yellow) Melting range....110-116 C 9982.1 10 g glass 48,90 Eriochrome black T (C.I. 14645) 2 CH 3 CH3 Elements 0737.2 50 cm plastic 139,00 0737.3 1 m plastic 259,00 H H S 3 a Iron foil Iron 99,99 % (4), foil Iron foil Foil 25 mm long, 25 mm wide, 0,25 mm thick. Fe M 55,80 g/mol bp 2861 C mp 1535 C [7439-89-6] EC o. 231-096-4 Purity.... 99,99 % 0540.1 1 pieces plastic 98,90 0540.2 5 pieces plastic 439,00 Platinum wire Plat 99,95 %, 0,5 mm Typanalyse: Assay.... 99,95 % Diameter...0,5 mm 0803.1 5 cm plastic 69,90 0803.2 10 cm plastic 125,00 0803.3 25 cm plastic 289,00 Eriochrome black T (C.I. 14645) Erio p.a. Metal indicator Mordant black 11 C 20 H 12 3 a 7 S M 461,38 g/mol Solubility: 50 mg/l (H 2, 20 C) [1787-61-7] EC o. 217-250-3 U o. 3077 ADR 9 III WGK 2 g j Warning H319-H411 Appearance....black powder Loss on drying... 7 % Suitability as indicator for complexometry....complies 0112.1 25 g glass 14,50 0112.2 50 g glass 24,90 0112.3 100 g glass 44,90 For ordering and information about prices and delivery in your country please contact us or your local distributor info@carlroth.com 5

Ligands (S)-BIAP (S)-(-)-2-Methyl-2-propanesulfinamide (R)-BIAP PPh 2 PPh 2 H 3 C S H 3 C CH 3 H 2 (R)-BIAP Binap 98 % PPh 2 PPh 2 Chiral phosphine ligand (R)-(+)-(1,1'-Binaphthalene-2,2'-diyl)bis- (diphenylphosphine), (R)-(+)-2,2'-Bis- (diphenylphosphino)-1,1'-binaphthyl, (R)-(+)-2,2'-Bis(diphenylphosphino)- 1,1'-binaphthalene C 44 H 32 P 2 M 622,69 g/mol mp 239-242 C [76189-55-4] Appearance....white to off-white powder Assay (HPLC)... 98 % Melting point.... 239-242 C 2040.1 250 mg glass 17,90 2040.2 1 g glass 39,90 2040.3 5 g glass 109,00 (S)-BIAP Binap 98 % Chiral phosphine ligand (S)-( )-(1,1'-Binaphthalene-2,2'-diyl)bis- (diphenylphosphine), (S)-( )-2,2'-Bis- (diphenylphosphino)-1,1'-binaphthyl, (S)-( )-2,2'-Bis(diphenylphosphino)- 1,1'-binaphthalene C 44 H 32 P 2 M 622,69 g/mol mp 241 C [76189-56-5] Appearance... white powder Assay (HPLC)... 98 % Melting point... 241 C 1950.1 250 mg glass 16,90 1950.2 1 g glass 34,90 1950.3 5 g glass 99,00 (R)-(+)-2-Methyl-2- propanesulfinamide (R)-(+)-2-Methyl-2-propanesulfinamide (S)-(-)-2-Methyl-2-propanesulfinamide Meth 98 % Chiral auxiliar (S)-(-)-tert-Butyl sulfinamide C 4 H 11 S M 121,20 g/mol mp 95-101 C Storage temp.: +4 C [343338-28-3] Appearance.... white to off-white powder Assay (HPLC).... 98 % Enantiomeric purity.... 98 % Melting point....95-101 C 1442.1 1 g glass 19,90 1442.2 5 g glass 59,90 1442.3 25 g glass 179,00 SPhos (rac)-biap H 3 C S H 3 C CH 3 H 2 Cy 2 P Me Me (rac)-biap Binap 97 % PPh 2 PPh 2 Phosphine ligand (±)-2,2'-Bis(diphenylphosphino)- 1,1'-binaphthalene, (±)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl, (±)-(1,1'-Binaphthalene-2,2'-diyl)bis(diphenylphosphine) C 44 H 32 P 2 M 622,69 g/mol mp 283-286 C [98327-87-8] Appearance.... white powder Assay (HPLC)... 97 % Melting point.... 283-286 C 1845.1 1 g glass 29,90 1845.2 5 g glass 79,90 1845.3 10 g glass 129,00 Meth 97 % Chiral auxiliar (R)-(+)-tert-Butyl sulfinamide C 4 H 11 S M 121,20 g/mol mp 103-107 C Storage temp.: +4 C [196929-78-9] Appearance... white cryst. solid Assay (HPLC)... 97 % Melting point... 103-107 C 0610.1 1 g glass 17,90 0610.2 5 g glass 49,90 0610.3 25 g glass 159,00 SPhos SPhos 98 % Phosphine ligand 2-Dicyclohexylphosphino-2',6'-dimethoxybiphenyl C 26 H 35 2 P M 410,53 g/mol mp 164-166 C [657408-07-6] Appearance.... white, cryst. powder Assay (HPLC).... 98 % 1911.1 1 g glass 23,90 1911.2 5 g glass 89,90 6 Carl Roth GmbH + Co. KG Schoemperlenstr. 3-5 76185 Karlsruhe www.carlroth.com Phone +49 721/5606 510 Fax +49 721/5606 111

PPh 2 PPh 2 Xantphos Xant 98 % Phosphine ligand 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene C 39 H 32 P 2 M 578,62 g/mol mp 226-229 C [161265-03-8] Appearance.... white to light yellow solid Assay (HPLC)... 98 % Melting point.... 226-229 C 2058.1 1 g glass 29,90 2058.2 5 g glass 99,90 Cy 2 P i-pr H 3 C XPhos XPhos 97 % CH 3 i-pr i-pr Xantphos XPhos Phosphine ligand 2-Dicyclohexylphosphino-2',4',6'-triisopropylbiphenyl C 33 H 49 P M 476,72 g/mol mp 187-190 C [564483-18-7] Appearance.... white powder Assay (HPLC)... 97 % 1445.1 1 g glass 24,90 1445.2 5 g glass 89,90 1445.3 10 g glass 149,00 rganic Firponil Standard Solution Firponil Standard Solution Fipr 100 mg/ml in acetonitrile Storage temp.: +4 C U o. 1648 ADR 3 II WGK 2 l g Danger H225-H302+H312+H332-H319 Fipronil....100 µg/ml 0935.1 1 ml glass ampoule 39,90 ph Buffer Solutions Buffer solutions, ready to use Buffer solution ph 9,22 ±0,02 (20 C) Buff RTI CALIPURE buffer solution, ready to use Boric acid / Caustic soda lye ph value (20 C)... 9,22 ±0,02 0466.1 500 ml plastic 19,90 Reagents for Synthesis Bis(pinacolato)diboron Bis 98 % Bis(pinacolato)diboron B B 4,4,4',4',5,5,5',5'-ctamethyl-2,2'-bi-(1,3,2- dioxaborolane), B 2 pin 2 C 12 H 24 B 2 4 M 253,94 g/mol mp 137-140 C [73183-34-3] Appearance.... white to off-white powder Assay (GC).... 98 % 1983.1 1 g glass 19,90 1983.2 5 g glass 29,90 1983.3 25 g glass 99,90 Hydrogen peroxide 50 % Hydrogen peroxide 50 % Hydr 50 % techn., stab. xidant Perhydrol H 2 2 D 1,19 bp 109 C mp -50 C [7722-84-1] EC o. 231-765-0 U o. 2014 ADR 5.1 (8) II o h g Danger H272-H302-H314-H335-H412 Assay....49,0-50,0 % Density (20 C)...1,191-1,195 0034.1 500 ml plastic 15,50 0034.2 1 l plastic 20,50 riginal pack 6 x 1 l 19,48/1 l 0034.3 2,5 l plastic 30,50 riginal pack 4 x 2,5 l 28,98/2,5 l 0034.4 5 l plastic 51,90 riginal pack 2 x 5 l 49,31/5 l 0034.5 10 l plastic 93,90 For ordering and information about prices and delivery in your country please contact us or your local distributor info@carlroth.com 7

Maleic anhydride Male 99,5 %, for synthesis 2,5-Furandione, cis-butenedioic anhydride, Maleic acid anhydride C 4 H 2 3 M 98,06 g/mol D 1,59 bp 202 C mp 51-54 C flp 103 C Solubility: 550 g/l (H 2, 20 C) [108-31-6] EC o. 203-571-6 U o. 2215 ADR 8 III h g n Danger H302-H314-H317-H334 Appearance....white pastilles Assay (titr.).... 99,5 % Melting point.... 51-54 C Maleic acid.... 0,5 % 0975.2 1 kg glass 22,90 riginal pack 6 x 1 kg 21,76/1 kg Maleic anhydride 0975.1 250 g glass 12,90 H 3-itrobenzoic acid 2 3-itrobenzoic acid itr 99 %, for synthesis m-itrobenzoic acid, meta-itrobenzoic acid C 7 H 5 4 M 167,12 g/mol D1,49 mp 140-143 C flp 190 C Solubility: 3 g/l (H 2, 25 C) [121-92-6] EC o. 204-508-5 g Warning H302-H319 Assay (HPLC)... 99,0 % Melting point.... 140-143 C Water (KF).... 0,5 % 0445.1 100 g plastic 12,90 0445.2 500 g plastic 39,90 riginal pack 6 x 500 g 37,91/500 g 0445.3 1 kg plastic 71,90 riginal pack 6 x 1 kg 68,31/1 kg 2 H 4-itrobenzoic acid itr 99,5 %, for synthesis p-itrobenzoic acid, para-itrobenzoic acid C 7 H 5 4 M 167,12 g/mol D1,61 mp 239-242 C flp 237 C Solubility: 0,42 g/l (H 2, 20 C) [62-23-7] EC o. 200-526-2 g Warning H302-H319 Assay (acidim.)... 99,5 % Melting point... 239-242 C Water (KF)... 0,5 % Ash content.... 0,01 % Iron (Fe)... 0,005 % 0450.2 500 g plastic 29,90 riginal pack 6 x 500 g 28,41/500 g 0450.3 1 kg plastic 49,90 riginal pack 6 x 1 kg 47,41/1 kg TEMP 4-itrobenzoic acid 0450.1 100 g plastic 12,90 H 3 C CH 3 H 3 C CH 3 TEMP 98 %, for synthesis TEMP 2,2,6,6-Tetramethylpiperidinyloxy (free radical), 2,2,6,6-Tetramethylpiperidine 1-oxyl, (2,2,6,6-Tetramethylpiperidin-1-yl)oxidanyl C 9 H 18 M 156,25 g/mol D0,91 mp 36-40 C flp 67 C Solubility: 9,7 g/l (H 2, 20 C) Storage temp.: +4 C [2564-83-2] EC o. 219-888-8 U o. 3263 ADR 8 II h Danger H290-H314 Assay (GC)... 98 % Residual solvents (methanol).... 0,5 % 6801.1 1 g glass 12,90 6801.2 5 g glass 24,90 6801.3 25 g glass 59,90 Tetrabutylammonium fluoride (TBAF) H 3 C H 3 C H 3 C F Tetrabutylammonium fluoride (TBAF) Tetra 1 mol/l in THF, stab. CH 3 TBAF, Tetra-n-butylammonium fluoride (C 4 H 9 ) 4 F M 261,46 g/mol D0,91 flp -17 C Storage temp.: +4 C [429-41-4] EC o. 207-057-2 U o. 2924 ADR 3 (8) II l h g n Danger H225-H314-H351-H335-EUH019 Appearance....colourless to yellow liquid Assay (titr.)... 1,0 mol/l Water (KF)....4,0-7,0 % Stabilized with 250 ppm 2,6-di-tert-butyl-4-methylphenol (BHT). Store under inert gas. 1448.1 25 ml glass 22,90 1448.2 100 ml glass 67,90 1448.3 250 ml glass 119,00 8 Carl Roth GmbH + Co. KG Schoemperlenstr. 3-5 76185 Karlsruhe www.carlroth.com Phone +49 721/5606 510 Fax +49 721/5606 111

Reference Substances F 3 C S H 2 Cl CF 3 Fipronil C Cl Fipr RTICHRM HPLC Fipronil C 12 H 4 Cl 2 F 6 4 S M 437,15 g/mol Storage temp.: +4 C [120068-37-3] EC o. 424-610-5 U o. 2811 ADR 6.1 III WGK 3 i n j Danger H301-H311-H331-H372-H410 Purity (HPLC)... 98 % 0925.1 100 mg glass 98,90 Salts Ammonium iron(iii) citrate Ammonium iron(iii) citrate Ammo ~21 % Fe, brown Citric acid ammonium iron(iii) salt, Iron(III) ammonium citrate, Ammonium ferric citrate, Ferric ammonium citrate D0,73 Solubility: 1,2 g/l (H 2, 20 C) [1185-57-5] EC o. 214-686-6 Appearance...red-brown powder Assay (Fe)... 20,5-22,5 % ph value (10 % in H 2 ).... 6,0-8,0 Chloride (Cl).... 0,05 % Arsenic (As)... 0,001 % Heavy metals (as Pb).... 0,005 % Loss on drying (105 C, 2 h).... 6,0 % 0618.1 250 g plastic 21,90 0618.2 500 g plastic 29,90 riginal pack 6 x 500 g 28,41/500 g 0618.3 1 kg plastic 49,90 riginal pack 6 x 1 kg 47,41/1 kg 0618.4 2,5 kg plastic 109,00 Ammonium iron(iii) oxalate trihydrate H 4 Ammonium iron(iii) oxalate trihydrate Ammo 99 %, pure 3 Fe 3+ 3 H 2 Ammonium ferric oxalate, Iron ammonium oxalate (H 4 ) 3 Fe(C 2 4 ) 3 3 H 2 M 428,06 g/mol D1,78 mp 160-170 C (dec.) Solubility: 1000 g/l (H 2, 20 C) [13268-42-3] EC o. 220-952-2 g Warning H302+H312 Assay (based on Fe).... 99,0 % ph value (5 % in H 2 ).... ~5,0 Chloride (Cl).... 0,005 % Heavy metals (as Pb).... 0,005 % 0517.1 250 g plastic 19,90 0517.2 500 g plastic 29,90 riginal pack 6 x 500 g 28,41/500 g 0517.3 1 kg plastic 49,90 riginal pack 6 x 1 kg 47,41/1 kg 0517.4 2,5 kg plastic 99,90 Ammonium metatungstate hydrate Ammonium metatungstate hydrate Ammo 90 % W 3, p.a. Ammonium tungsten oxide hydrate, Hexaammonium tungstate hydrate, AMT (H 4 ) 6 H 2 W 12 40 x H 2 M 2956,42 x H 2 g/mol D4,00 mp 120 C (dec.) Solubility: 1000 g/l (H 2, 20 C) [12028-48-7] EC o. 234-733-4 g Warning H302 Assay (W 3 ).... 90 % In water insoluble matter.... 0,05 % Loss on ignition (2 h, 750 C).... 10,0 % Aluminium (Al)... 0,0005 % Arsenic (As).... 0,0005 % Iron (Fe).... 0,001 % Molybdenum (Mo)... 0,005 % Sodium (a)... 0,001 % Phosphorus (P).... 0,001 % con (Si)... 0,0005 % 0742.1 25 g plastic 29,90 0742.2 100 g plastic 54,90 0742.3 500 g plastic 199,00 riginal pack 6 x 500 g 189,05/500 g di-ammonium tartrate Ammo 95 %, pure di-ammonium tartrate H H 4 H 4 H Ammonium tartrate dibasic, Tartaric acid diammonium salt (H 4 ) 2 C 4 H 4 6 M 184,15 g/mol D1,60 Solubility: 58 g/l (H 2, 20 C) [3164-29-2] EC o. 221-618-9 Assay.... 95,0 % ph value (5 % in H 2 )....5,5-7,0 0487.1 100 g plastic 16,90 0487.2 500 g plastic 42,90 riginal pack 6 x 500 g 40,76/500 g 0487.3 1 kg plastic 69,90 riginal pack 6 x 1 kg 66,41/1 kg 0487.4 2,5 kg plastic 159,00 For ordering and information about prices and delivery in your country please contact us or your local distributor info@carlroth.com 9

Barium carbonate Bari 99 %, extra pure BaC 3 M 197,35 g/mol D4,43 mp >1450 C (dec.) Solubility: 0,02 g/l (H 2, 20 C) [513-77-9] EC o. 208-167-3 g Warning H302 Assay... 99,0 % Total sulphur (as S 4 ).... 0,5 % Iron (Fe)... 0,005 % Moisture... 0,5 % Insoluble in HCl... 0,5 % 0326.1 100 g plastic 15,90 0326.2 500 g plastic 29,90 riginal pack 6 x 500 g 28,41/500 g 0326.3 1 kg plastic 49,90 riginal pack 6 x 1 kg 47,41/1 kg 0326.4 2,5 kg plastic 99,90 Copper(I) iodide Copp 98 %, pure Barium carbonate Copper(I) iodide CuI M 190,45 g/mol D 5,67 bp 1290 C mp 591 C Solubility: ~0,0002 g/l (H 2, 20 C) [7681-65-4] EC o. 231-674-6 U o. 3077 ADR 9 III WGK 3 g j Warning H302-H315-H319-H335-H410 Assay... 98 % Sulphate (S 4 ).... 0,1 % Lead (Pb)... 0,01 % Iron (Fe)... 0,1 % Loss on drying.... 1 % 0305.1 100 g plastic 24,90 0305.2 500 g plastic 94,90 riginal pack 6 x 500 g 90,16/500 g 0305.3 1 kg plastic 169,00 riginal pack 6 x 1 kg 160,55/1 kg Indium(III) chloride Indi 99,9 %, p.a. InCI 3 M 221,18 g/mol D3,46 mp 586 C Solubility: 661 g/l (H 2, 22 C) [10025-82-8] EC o. 233-043-0 U o. 3260 ADR 8 h g Danger H302-H314 Assay.... 99,9 % Aluminium (Al).... 0,0001 % Bismuth (Bi)... 0,0001 % Lead (Pb).... 0,0005 % Cadmium (Cd)... 0,0005 % Calcium (Ca).... 0,005 % Chromium (Cr)... 0,0001 % Iron (Fe)... 0,0005 % Copper (Cu).... 0,0005 % Magnesium (Mg).... 0,0005 % Sodium (a).... 0,0005 % ickel (i)... 0,0001 % Silver (Ag)... 0,0001 % con (Si).... 0,0005 % Tin (Sn).... 0,0001 % Zinc (Zn)... 0,0001 % 0307.1 5 g plastic 24,90 0307.2 10 g plastic 39,90 0307.3 25 g plastic 79,90 0307.4 50 g plastic 139,00 Indium(III) sulphate Indi 99,99 %, p.a. Indium(III) chloride Indium(III) sulphate In 2 (S 4 ) 3 M 517,82 g/mol D3,44 mp 600 C (dec.) Solubility: 539 g/l (H 2, 20 C) [13464-82-9] EC o. 236-689-1 Assay.... 99,99 % Aluminium (Al).... 0,0005 % Bismuth (Bi)... 0,0005 % Lead (Pb).... 0,0005 % Cadmium (Cd)... 0,0005 % Iron (Fe)... 0,0005 % Copper (Cu).... 0,0005 % ickel (i)... 0,0005 % Tin (Sn).... 0,0005 % Zinc (Zn)... 0,0005 % 0314.1 5 g plastic 24,90 0314.2 10 g plastic 39,90 0314.3 25 g plastic 69,90 0314.4 50 g plastic 129,00 Iron(III) chloride hexahydrate Iron(III) chloride hexahydrate Iron 98 %, techn. Ferric chloride hexahydrate, Iron trichloride hexyhydrate FeCl 3 6 H 2 M 270,33 g/mol D1,82 mp 37 C Solubility: 920 g/l (H 2, 20 C) [10025-77-1] EC o. 231-729-4 U o. 3260 ADR 8 III h g Danger H302-H315-H318-H317-H290 Assay.... 98,0 % Iron II (Fe II)... 0,01 % 0617.1 1 kg plastic 19,90 riginal pack 6 x 1 kg 18,91/1 kg 0617.2 2,5 kg plastic 39,90 0617.3 10 kg plastic 129,00 0617.4 25 kg plastic 289,00 Iron(III) sulphate hydrate Iron(III) sulphate hydrate Iron 80 %, pure Ferric sulphate Fe 2 (S 4 ) 3 x H 2 M 399,88 + x H 2 g/mol D3,10 mp 480 C (dec.) Solubility: 4400 g/l (anhydr., H 2, 20 C) [15244-10-7] EC o. 233-072-9 h g Danger H302-H315-H318 Assay (dry substance)....78,0-82,0 % Arsenic (As).... 0,001 % Lead (Pb).... 0,001 % 0492.1 250 g plastic 19,90 0492.2 500 g plastic 29,90 riginal pack 6 x 500 g 28,41/500 g 0492.3 1 kg plastic 44,90 riginal pack 6 x 1 kg 42,66/1 kg 0492.4 2,5 kg plastic 89,00 10 Carl Roth GmbH + Co. KG Schoemperlenstr. 3-5 76185 Karlsruhe www.carlroth.com Phone +49 721/5606 510 Fax +49 721/5606 111

Magnesium hexafluorosilicate hexahydrate Magnesium hexafluorosilicate hexahydrate Magn 98 %, pure MgSiF 6 6 H 2 M 274,47 g/mol D1,79 mp 120 C (dec.) Solubility: 590 g/l (H 2, 20 C) [18972-56-0] EC o. 241-022-2 U o. 2853 ADR 6.1 III WGK 2 h i Danger H301-H318-H412 Assay... 98,0 % In water insoluble matter... 0,5 % 0325.1 100 g plastic 14,90 0325.2 500 g plastic 24,90 riginal pack 6 x 500 g 23,66/500 g 0325.3 1 kg plastic 39,90 riginal pack 6 x 1 kg 37,91/1 kg 0325.4 2,5 kg plastic 79,90 Magnesium hydrogen phosphate trihydrate Magn 96 %, pure Magnesium hydrogen phosphate trihydrate Magnesium phosphate dibasic MgHP 4 M 174,33 g/mol D2,13 mp 550 C (dec.) Solubility: 0,25 g/l (H 2, 20 C) [7782-75-4] EC o. 231-823-5 Assay (based on calcinated substance).... 96,0 % Arsenic (As).... 0,001 % Lead (Pb)... 0,001 % Loss on ignition (800 C)...29,0-36,5 % 0502.1 250 g plastic 15,90 0502.2 1 kg plastic 39,90 riginal pack 6 x 1 kg 37,91/1 kg 0502.3 2,5 kg plastic 84,90 H Magnesium oxalate dihydrate Mg 2 H 2 Magnesium oxalate dihydrate Magn 99 %, pure xalic acid magnesium salt MgC 2 4 2 H 2 M 148,35 g/mol D2,45 mp 150 C (dec.) Solubility: 0,7 g/l (H 2, 20 C) [547-66-0] EC o. 208-932-1 g Warning H302+H312 Assay.... 99,0 % Chloride (Cl).... 0,05 % Lead (Pb).... 0,005 % Calcium (Ca).... 1,0 % Iron (Fe)... 0,05 % 0495.1 100 g plastic 19,90 0495.2 500 g plastic 54,90 riginal pack 6 x 500 g 52,16/500 g 0495.3 1 kg plastic 89,90 riginal pack 6 x 1 kg 85,41/1 kg 0495.4 2,5 kg plastic 199,00 Magnesium sulphate Magnesium sulphate Magn 99 %, p.a., anhydrous MgS 4 M 120,37 g/mol D2,66 mp 1124 C Solubility: 300 g/l (H 2, 20 C) [7487-88-9] EC o. 231-298-2 Appearance... white to off-white powder Assay (titr.).... 99,0 % Chloride (Cl).... 0,05 % Arsenic (As)... 0,001 % Iron (Fe)... 0,001 % Heavy metals (as Pb).... 0,001 % 0682.1 100 g plastic 16,90 0682.2 500 g plastic 37,90 riginal pack 6 x 500 g 36,01/500 g 0682.3 1 kg plastic 64,90 riginal pack 6 x 1 kg 61,66/1 kg Molybdenum(VI) oxide Molybdenum(VI) oxide Moly 99,5 %, p.a. Molybdenum trioxide, Molybdic anhydride Mo 3 M 143,94 g/mol D 4,7 bp 1155 C mp 795 C Solubility: 0,5 g/l (H 2, 28 C) [1313-27-5] EC o. 215-204-7 g n Warning H319-H335-H351 Assay (as Mo 3 )... 99,5 % Ammonium (H 4 )... 0,01 % Chloride (Cl)... 0,005 % itrate ( 3 ).... 0,01 % Phosphate (P 4 )... 0,0005 % Sulphate (S 4 )... 0,02 % Lead (Pb).... 0,001 % Cadmium (Cd).... 0,001 % Iron (Fe).... 0,005 % Potassium oxide (K 2 )... 0,025 % cate (Si 2 )... 0,005 % 0142.1 50 g plastic 15,90 0142.2 250 g plastic 39,90 0142.3 500 g plastic 69,90 riginal pack 6 x 500 g 66,41/500 g 0142.4 1 kg plastic 129,00 riginal pack 6 x 1 kg 122,55/1 kg ickel(ii) nitrate hexahydrate ickel(ii) nitrate hexahydrate ick 98 %, extra pure ickelous nitrate i( 3 ) 2 6 H 2 M 290,81 g/mol bp 136 C mp 56,7 C Solubility: 940 g/l (H 2, 20 C) [13478-00-7] EC o. 236-068-5 U o. 2725 ADR 5.1 III WGK 3 o h g n j Danger H272-H334-H341-H350i-H360D-H372-H318- H410-H302+H332-H315-H317 Assay.... 98,0 % Chloride (Cl)... 0,001 % Sulphate (S 4 )... 0,001 % Iron (Fe).... 0,005 % Copper (Cu).... 0,005 % ph (5 % H 2, 25 C)....4,0-6,5 0337.1 100 g plastic 15,90 0337.2 500 g plastic 29,90 riginal pack 6 x 500 g 28,41/500 g 0337.3 1 kg plastic 53,90 riginal pack 6 x 1 kg 51,21/1 kg 0337.4 2,5 kg plastic 119,00 For ordering and information about prices and delivery in your country please contact us or your local distributor info@carlroth.com 11

H mono-potassium citrate mono-potassium citrate Pota 99 %, pure, anhydrous Citric acid monopotassium salt, Potassium dihydrogen citrate C 6 H 7 K 7 M 230,21 g/mol Solubility: 200 g/l (H 2, 20 C) [866-83-1] EC o. 212-753-4 Assay (dry substance).... 99,0 % ph value (1 % in H 2 )... 3,5-4,0 xalate (as C 2 H 2 4 ).... 0,01 % Arsenic (As).... 0,001 % Lead (Pb)... 0,001 % Mercury (Hg)... 0,001 % Loss on drying (180 C, 4h).... 1,0 % 0481.1 250 g plastic 24,90 0481.2 500 g plastic 41,90 riginal pack 6 x 500 g 39,81/500 g 0481.3 1 kg plastic 74,90 riginal pack 6 x 1 kg 71,16/1 kg 0481.4 2,5 kg plastic 159,00 H C K H H Potassium formate Potassium formate Pota 98 %, for synthesis K Formic acid potassium salt HC 2 K M 84,12 g/mol D1,91 mp 165-168 C Solubility: 2500 g/l (20 C, H 2 ) [590-29-4] EC o. 209-677-9 Appearance....colourless crystals Assay (titr.).... 98,0 % ph (5 % in H 2 ).... 6,0-8,5 0980.1 250 g plastic 19,90 0980.2 1 kg plastic 54,90 riginal pack 6 x 1 kg 52,16/1 kg Potassium iodide Pota 99 %, extra pure KI M 166,01 g/mol D 3,13 bp 1330 C mp 723 C Solubility: 1430 g/l (H 2, 20 C) [7681-11-0] EC o. 231-659-4 Assay (dry substance)... 99,0 % Sulphate (S 4 ).... 0,05 % Iron (Fe)... 0,005 % Heavy metals... 0,005 % Loss on drying.... 1,0 % 0323.2 500 g glass 64,90 riginal pack 6 x 500 g 61,66/500 g 0323.3 1 kg glass 119,00 riginal pack 6 x 1 kg 113,05/1 kg Sodium carbonate monohydrate Sodi 99 %, pure Potassium iodide 0323.1 100 g glass 19,90 Sodium carbonate monohydrate Soda monohydrate a 2 C 3 H 2 M 124,00 g/mol D2,25 mp 100 C Solubility: 210 g/l (H 2, 20 C) [5968-11-6] EC o. 207-838-8 g Warning H319 Assay (dry substance)... 99,0 % Heavy metals (as Pb).... 0,01 % Loss on drying (105 C, 4 h).... 12,0-15,0 % 0474.1 500 g plastic 19,90 riginal pack 6 x 500 g 18,91/500 g 0474.2 1 kg plastic 31,90 riginal pack 6 x 1 kg 30,31/1 kg 0474.3 2,5 kg plastic 64,90 0474.4 5 kg plastic 109,00 Sodium chloride Sodi 99 % Common salt acl M 58,44 g/mol D 2,17 bp 1461 C mp 801 C Solubility: 358 g/l (H 2, 20 C) [7647-14-5] EC o. 231-598-3 Assay (dry substance).... 99,0 % Phosphate (P 4 )... 0,005 % Sulphate (S 4 )... 0,05 % Aluminium (Al)... 0,001 % Iron (Fe).... 0,001 % Heavy metals (as Pb)... 0,001 % Loss on drying... 1,0 % 0601.1 1 kg plastic 9,90 riginal pack 6 x 1 kg 9,41/1 kg 0601.2 5 kg plastic 29,90 tri-sodium monovanadate Sodi 99 %, pure Sodium chloride 0601.3 10 kg plastic 49,90 0601.4 25 kg plastic 99,90 tri-sodium monovanadate Sodium orthovanadate, Sodium vanadium oxide, Sodium vanadate(v) a 3 V 4 M 183,91 g/mol D2,72 [13721-39-6] EC o. 237-287-9 WGK 2 g Warning H302+H312+H332-H412 Appearance....off-white to slightly yellow powder Assay.... 99,0 % Chloride (Cl)... 0,01% Iron (Fe).... 0,05 % con (Si)... 0,05 % Heavy metals.... 0,5 % 0735.1 10 g plastic 29,90 0735.2 50 g plastic 79,90 0735.3 100 g plastic 129,00 12 Carl Roth GmbH + Co. KG Schoemperlenstr. 3-5 76185 Karlsruhe www.carlroth.com Phone +49 721/5606 510 Fax +49 721/5606 111

Sodium periodate Sodi 99 %, extra pure Sodium meta periodate ai 4 M 213,89 g/mol D3,87 mp 300 C (dec.) Solubility: 144 g/l (H 2, 25 C) [7790-28-5] EC o. 232-197-6 U o. 3085 ADR 5.1 I WGK 3 o h n j Danger H271-H314-H372- H410 Assay... 99 % Chloride (Cl).... 0,05 % Iodide (I).... 0,005 % Sulphate (S 4 ).... 0,05 % Lead (Pb)... 0,005 % Iron (Fe)... 0,005 % ph value (5 %).... 3,0-4,5 0294.1 100 g plastic 39,90 0294.2 500 g plastic 119,00 riginal pack 6 x 500 g 113,05/500 g 0294.3 1 kg plastic 199,00 riginal pack 6 x 1 kg 189,05/1 kg Sodium polytungstate solution Sodi 3,00 g/cm 3 Sodium periodate Sodium polytungstate solution Heavy liquid for separation of minerals. WGK 2 h g Danger H302-H318-H412 Density (20 C)....3,00 ±0,02 g/cm 3 Tubidity (density 3,00 g/ml)...<10 TU ph-value (density 3,00 g/ml)... 2,5-3,5 0741.1 100 ml plastic 199,00 0741.2 500 ml plastic 799,00 a H Sodium salicylate Sodi 98 %, extra pure Salicylic acid sodium salt C 7 H 5 a 3 M 160,11 g/mol D0,56 mp 213 C Solubility: 1000 g/l (H 2, 20 C) [54-21-7] EC o. 200-198-0 g Warning H302-H319 Assay (dry substance)... 98 % Chloride (Cl).... 0,05 % Sulphate (S 4 ).... 0,1 % Heavy metals... 0,005 % Loss on drying.... 0,5 % 0140.1 500 g plastic 24,90 riginal pack 6 x 500 g 23,66/500 g 0140.2 1 kg plastic 39,90 riginal pack 6 x 1 kg 37,91/1 kg 0140.3 2,5 kg plastic 79,90 Tellurium(IV) oxide Tell 99,9 %, p.a. Sodium salicylate Tellurium(IV) oxide Tellurium dioxide Te 2 M 159,61 g/mol D 6,02 bp 1245 C mp 733 C [7446-07-3] EC o. 231-193-1 Assay.... 99,9 % Arsenic (As)... 0,005 % Bismuth (Bi)... 0,001 % Lead (Pb).... 0,001 % Cadmium (Cd)... 0,001 % Iron (Fe)... 0,005 % Copper (Cu).... 0,001 % ickel (i)... 0,001 % Silver (Ag)... 0,001 % Zinc (Zn)... 0,001 % Moisture.... 0,2 % 0321.1 10 g plastic 29,90 0321.2 25 g plastic 59,90 0321.3 50 g plastic 109,00 Tetrachloroauric(III) acid trihydrate Tetrachloroauric(III) acid trihydrate Tetr 99,9 %, p.a., ultra quality Gold(III) chloride trihydrate, Gold trichloride trihydrate, Gold trichloride hydrochloride HAuCl 4 3 H 2 M 393,83 g/mol D 3,9 bp 200 C (dec.) mp ~30 C Solubility: 150 g/l (H 2, 20 C) [16961-25-4] EC o. 236-623-1 U o. 3260 ADR 8 III h g Danger H314-H317 Appearance....orange to yellow-red powder Assay.... 99,9 % Gold (Au).... 50 % Aluminium (Al)... 0,005 % Calcium (Ca).... 0,005 % Chromium (Cr).... 0,005 % Iron (Fe).... 0,005 % Copper (Cu).... 0,005 % Magnesium (Mg)... 0,005 % Manganese (Mn)... 0,005 % Platinum (Pt).... 0,005 % Ruthenium (Ru)... 0,005 % Silver (Ag).... 0,005 % con (Si)... 0,005 % Zinc (Zn).... 0,005 % 0689.1 500 mg glass 79,00 0689.2 1 g glass 129,00 0689.3 5 g glass 489,00 Titanium(IV) oxide Tita 98 %, extra pure Titanium(IV) oxide Titanium dioxide Ti 2 M 79,90 g/mol D4,23 mp 1855 C [13463-67-7] EC o. 236-675-5 Assay.... 98,0 % Arsenic (As).... 0,0001 % Lead (Pb).... 0,001 % Mercury (Hg)... 0,0001 % Loss on drying (105 C).... 0,5 % Water-soluble content... 0,5 % 9985.1 100 g plastic 15,50 9985.2 500 g plastic 25,90 riginal pack 6 x 500 g 24,61/500 g 9985.3 1 kg plastic 40,90 riginal pack 6 x 1 kg 38,86/1 kg 9985.4 2,5 kg plastic 82,90 For ordering and information about prices and delivery in your country please contact us or your local distributor info@carlroth.com 13

Tungsten(VI) oxide Tung 99,5 %, p.a. Tungsten trioxide, Tungstic anhydride, Tungstic oxide W 3 M 231,84 g/mol D 7,27 bp ~1700 C mp 1473 C Solubility: <0,02 g/l (H 2, 20 C) [1314-35-8] EC o. 215-231-4 Assay... 99,5 % Loss on ignition (1,5 h, 750 C)... 0,5 Chloride (Cl).... 0,001 % Fluoride (F).... 0,001 % Aluminium (Al).... 0,0005 % Arsenic (As).... 0,0005 % Boron (B).... 0,0005 % Iron (Fe)... 0,0005 % Carbon (C)... 0,005 % Molybdenum (Mo).... 0,001 % Sodium (a).... 0,0005 % Phosphorus (P)... 0,001 % Sulphur (S).... 0,001 % con (Si).... 0,005 % Vanadium (V)... 0,0005 % 0760.1 50 g plastic 27,90 0760.2 100 g plastic 39,90 0760.3 500 g plastic 159,00 riginal pack 6 x 500 g 151,05/500 g Tungstic acid Tung 99 %, p.a. Tungsten(VI) oxide Tungstic acid rthotungstic acid H 2 W 4 M 249,85 g/mol D5,5 mp 100 C (dec.) Solubility: insoluble [7783-03-1] EC o. 231-975-2 Assay (based on W 3 ).... 99,0 % Assay (W 3 )... 92,0 % Loss on ignition (2 h, 750 C)... 8,0 % Aluminium (Al).... 0,001 % Arsenic (As).... 0,001 % Iron (Fe)... 0,001 % Copper (Cu)... 0,0005 % Molybdenum (Mo).... 0,005 % Sodium (a).... 0,005 % con (Si).... 0,005 % Titanium (Ti)... 0,001 % 0747.1 25 g plastic 24,90 0747.2 100 g plastic 39,90 0747.3 500 g plastic 139,00 riginal pack 6 x 500 g 132,05/500 g Vanadium(V) oxide Vana 99,5 %, pure Vanadium(V) oxide Vanadium pentoxide V 2 5 M 181,88 g/mol D 3,35 bp 1750 C (dec.) mp 690 C Solubility: 0,7 g/l (H 2, 20 C) [1314-62-1] EC o. 215-239-8 U o. 2862 ADR 6.1 III WGK 3 g n j Danger H302+H332-H335-H341-H361d-H372-H411 Assay.... 99,5 % Iron (Fe)... 0,05 % Potassium (K)... 0,05 % Sodium (a).... 0,05 % 0308.1 10 g plastic 14,90 0308.2 100 g plastic 29,90 0308.3 500 g plastic 49,90 riginal pack 6 x 500 g 47,41/500 g 0308.4 1 kg plastic 89,90 riginal pack 6 x 1 kg 85,41/1 kg ca gel 35 0,01-0,014 mm ca Gels cic acid amorphous, ciumdioxide Si 2 M 60,09 g/mol [7631-86-9] EC o. 231-545-4 Appearance....white powder Loss on drying (160 C).... 6 % Pore volume ( 2 )... 0,5-0,7 ml/g Specific surface (BET).... 550 m²/g ph value (5 % in H 2 )....4,5-6,5 Volatile parts (950 C).... 13,0 % Si 2 content (dry substance).... 99,4 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance)... 0,15 % S 4 content (dry substance).... 0,10 % Particle size: d10... 5,5 µm d50...10,0-14,0 µm d90... 23,0 µm 0380.1 250 g plastic 39,90 0380.2 500 g plastic 65,90 riginal pack 6 x 500 g 62,61/500 g 0380.3 1 kg plastic 119,00 riginal pack 6 x 1 kg 113,05/1 kg 0380.4 2,5 kg plastic 249,00 ca gel 60 0,09-0,13 mm ca gel 35 ca gel 60 cic acid amorphous, ciumdioxide Si 2 M 60,09 g/mol [7631-86-9] EC o. 231-545-4 Appearance....white powder Pore diameter.... 53-80 Å Loss on drying (160 C).... 6 % ph value (5 % in H 2 )....6,0-8,0 Volatile parts (950 C).... 13,0 % Si 2 content (dry substance).... 99,4 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance)... 0,15 % S 4 content (dry substance).... 0,10 % Particle size (µm): >63... 99,0 % >90... 90,0 % >150... 3,0 % 0399.1 250 g plastic 34,90 0399.2 500 g plastic 59,90 riginal pack 6 x 500 g 56,91/500 g 0399.3 1 kg plastic 109,00 riginal pack 6 x 1 kg 103,55/1 kg 0399.4 2,5 kg plastic 219,00 14 Carl Roth GmbH + Co. KG Schoemperlenstr. 3-5 76185 Karlsruhe www.carlroth.com Phone +49 721/5606 510 Fax +49 721/5606 111

ca gel 60 modified phases Si 2 [7631-86-9] EC o. 231-545-4 ca gel 60 amino 0,010-0,014 mm For liquid chromatography. ormal or reversed-phase separations. ca gel H 2 Appearance.... white powder Pore diameter....53-80 Å Pore volume ( 2 ).... 0,8-1,0 ml/g Specific surface....500-600 m²/g Carbon content....~4 % Fe 2 3 content (dry substance)... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content.... 0,10 % Particle-size distribution: d10.... 5,5 µm d50.... 10,0-14,0 µm d90.... 23,0 µm 0600.1 10 g plastic 39,90 0600.2 50 g plastic 139,00 0600.3 100 g plastic 249,00 ca gel diol 0,010-0,014 mm For liquid chromatography. ormal or reversed-phase separations. Appearance.... white powder Pore diameter....53-80 Å Pore volume ( 2 ).... 0,8-1,0 ml/g Specific surface.... 500-600 m 2 /g Carbon content....~6,5 % Fe 2 3 content (dry substance)... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content.... 0,10 % Particle-size distribution: d10.... 5,5 µm d50.... 10,0-14,0 µm d90.... 23,0 µm 0567.1 10 g plastic 39,90 0567.2 50 g plastic 139,00 0567.3 100 g plastic 249,00 cic acid amorphous, ciumdioxide Si 2 M 60,09 g/mol [7631-86-9] EC o. 231-545-4 ca gel 150 0,01-0,014 mm Appearance... white powder Pore diameter... 118-182 Å Loss on drying (160 C)... 6 % Pore volume ( 2 )... 1,05 ml/g Specific surface (BET)... 285-365 m²/g ph value (5 % in H 2 ).... 6,0-8,0 Volatile parts (950 C).... 13,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size: d10.... 5,5 µm d50.... 10,0-14,0 µm d90.... 23,0 µm 0405.1 100 g plastic 24,90 0405.2 250 g plastic 44,90 0405.3 500 g plastic 79,90 riginal pack 6 x 500 g 75,91/500 g 0405.4 1 kg plastic 139,00 riginal pack 6 x 1 kg 132,05/1 kg 0405.5 2,5 kg plastic 279,00 ca gel 150 0,016-0,024 mm Appearance... white powder Loss on drying (160 C)... 6 % Pore volume (H 2 ).... 1,05 ml/g Specific surface (BET)... 285-355 m²/g ph value (5 % in H 2 ).... 6,0-8,0 Volatile parts (950 C).... 13,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size: d20.... 13,0 µm d50.... 25,0-30,0 µm d90.... 52,0 µm 0430.1 100 g plastic 29,90 0430.2 250 g plastic 54,90 0430.3 500 g plastic 99,90 riginal pack 6 x 500 g 94,91/500 g 0430.4 1 kg plastic 179,00 riginal pack 6 x 1 kg 170,05/1 kg ca gel 150 0,03-0,2 mm ca gel 150 Appearance... white powder Pore diameter... 118-182 Å Loss on drying (160 C)... 6 % Pore volume (H 2 )....1,05-1,30 ml/g Specific surface (BET)... 285-355 m²/g ph value (5 % in H 2 )....6,0-8,0 Volatile parts (950 C).... 13,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance)... 0,15 % S 4 content (dry substance).... 0,10 % Particle size: d10... 30,0 µm d90... 250,0 µm 0448.1 250 g plastic 23,90 0448.2 500 g plastic 34,90 riginal pack 6 x 500 g 33,16/500 g 0448.3 1 kg plastic 59,90 riginal pack 6 x 1 kg 56,91/1 kg 0448.4 2,5 kg plastic 119,00 ca gel 150 0,1-0,3 mm Appearance....white powder Pore diameter.... 118-182 Å Loss on drying (160 C).... 6 % Pore volume (H 2 )... 1,05 ml/g ph value (5 % in H 2 )....6,0-8,0 Volatile parts (950 C).... 13,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance)... 0,15 % S 4 content (dry substance).... 0,10 % Particle size (µm): <100... 3,0 % >315... 1,5 % >500...0 % 0473.1 250 g plastic 29,90 0473.2 500 g plastic 54,90 riginal pack 6 x 500 g 52,16/500 g 0473.3 1 kg plastic 92,50 riginal pack 6 x 1 kg 87,88/1 kg 0473.4 2,5 kg plastic 179,00 ca gel 150 0,315-0,5 mm Appearance....white powder Pore diameter.... 118-182 Å Loss on drying (160 C).... 6 % Pore volume (H 2 )... 1,05 ml/g Specific surface (BET).... 285-355 m²/g ph value (5 % in H 2 )....6,0-8,0 Volatile parts (950 C).... 13,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance)... 0,15 % S 4 content (dry substance).... 0,10 % Particle size (µm): <100... 1,0 % <250... 2,0 % <315... 40,0 % >500... 1,0 % 0485.1 250 g plastic 29,90 0485.2 500 g plastic 52,90 riginal pack 6 x 500 g 50,26/500 g 0485.3 1 kg plastic 89,00 riginal pack 6 x 1 kg 84,55/1 kg 0485.4 2,5 kg plastic 179,00 For ordering and information about prices and delivery in your country please contact us or your local distributor info@carlroth.com 15

cic acid amorphous, ciumdioxide Si 2 M 60,09 g/mol [7631-86-9] EC o. 231-545-4 ca gel 250 0,07-0,2 mm Appearance.... white powder Loss on drying (160 C).... 6 % Pore volume (H 2 ).... 1,60-1,95 ml/g Specific surface (BET)...280-355 m²/g ph value (5 % in H 2 )... 6,0-8,0 Volatile parts (950 C)... 13,0 % Si 2 content (dry substance)... 99,3 % Fe 2 3 content (dry substance)... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size: d10.... 80,0 µm d90.... 300,0 µm 0493.3 500 g plastic 79,90 riginal pack 6 x 500 g 75,91/500 g 0493.4 1 kg plastic 149,00 riginal pack 6 x 1 kg 141,55/1 kg ca gel 250 0,09-0,13 mm ca gel 250 0493.1 100 g plastic 24,90 0493.2 250 g plastic 44,90 Appearance.... white powder Pore diameter....180-280 Å Loss on drying (160 C).... 6 % Pore volume (H 2 ).... 1,60-1,95 ml/g Specific surface (BET)...285-355 m²/g ph value (5 % in H 2 )... 6,0-8,0 Volatile parts (950 C)... 13,0 % Si 2 content (dry substance)... 99,3 % Fe 2 3 content (dry substance)... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size: d10.... 75,0 µm d50....102,0-120,0 µm d90.... 174,0 µm 0501.1 100 g plastic 29,90 0501.2 250 g plastic 59,90 0501.3 500 g plastic 104,00 riginal pack 6 x 500 g 98,80/500 g 0501.4 1 kg plastic 189,00 riginal pack 6 x 1 kg 179,55/1 kg cic acid amorphous, ciumdioxide Si 2 M 60,09 g/mol [7631-86-9] EC o. 231-545-4 ca gel 500 0,09-0,13 mm Appearance... white powder Loss on drying (160 C)... 6 % Pore volume (H 2 ).... 1,0 ml/g Specific surface (BET)... 70-90 m²/g Volatile parts (950 C).... 10,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size (µm): >65.... 96,0 % >90.... 70,0 % >125.... 20-45 % >150.... 24,5 % 0512.4 500 g plastic 309,00 riginal pack 6 x 500 g 293,55/500 g ca gel 500 0,1-0,3 mm ca gel 500 0512.1 50 g plastic 49,90 0512.2 100 g plastic 79,90 0512.3 250 g plastic 169,00 Appearance... white powder Loss on drying (160 C)... 6 % Pore volume (H 2 ).... 1,0 ml/g Specific surface (BET)... 70-90 m²/g Volatile parts (950 C).... 10,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size (µm): <100.... 5,0 % >315.... 2,0 % >500.... 0 % 0524.1 50 g plastic 49,90 0524.2 100 g plastic 79,90 0524.3 250 g plastic 169,00 0524.4 500 g plastic 299,00 riginal pack 6 x 500 g 284,05/500 g cic acid amorphous, ciumdioxide Si 2 M 60,09 g/mol [7631-86-9] EC o. 231-545-4 ca gel 1000 0,016-0,024 mm Appearance....white powder Loss on drying (160 C).... 6 % Specific surface (BET).... 30-55 m²/g Volatile parts (950 C).... 10,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance)... 0,15 % S 4 content (dry substance).... 0,10 % Particle size (µm): >12,7... 85,0 % >32,0... 7,0 % ca gel 1000 0,09-0,13 mm ca gel 1000 0533.1 10 g plastic 25,90 0533.2 50 g plastic 65,90 0533.3 100 g plastic 114,90 0533.4 250 g plastic 229,00 Appearance....white powder Loss on drying (160 C).... 6 % Pore volume (H 2 )... 1,0 ml/g Specific surface (BET).... 30-55 m 2 /g Volatile parts (950 C).... 10,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance)... 0,15 % S 4 content (dry substance).... 0,10 % Particle size (µm): >65... 96 % >90... 70 % >125...20-45 % >150... 24,5 % 0153.1 10 g plastic 19,90 0153.2 50 g plastic 49,90 0153.3 100 g plastic 79,90 0153.4 250 g plastic 179,00 16 Carl Roth GmbH + Co. KG Schoemperlenstr. 3-5 76185 Karlsruhe www.carlroth.com Phone +49 721/5606 510 Fax +49 721/5606 111

cic acid amorphous, ciumdioxide Si 2 M 60,09 g/mol [7631-86-9] EC o. 231-545-4 ca gel 1500 0,016-0,024 mm Appearance.... white powder Loss on drying (160 C).... 6 % Specific surface (BET)...20-30 m²/g Volatile parts (950 C)... 10,0 % Si 2 content (dry substance)... 99,3 % Fe 2 3 content (dry substance)... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size (µm): >12,7.... 85,0 % >32,0.... 7,0 % ca gel 1500 0,09-0,13 mm ca gel 1500 0559.1 10 g plastic 24,90 0559.2 50 g plastic 59,90 0559.3 100 g plastic 109,00 0559.4 250 g plastic 219,00 Appearance.... white powder Loss on drying (160 C).... 6 % Pore volume (H 2 ).... 1,0 ml/g Specific surface (BET).... 20-30 m 2 /g Volatile parts (950 C)... 10,0 % Si 2 content (dry substance)... 99,3 % Fe 2 3 content (dry substance)... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size (µm): >65.... 96 % >90.... 70 % >125....20-45 % >150.... 24,5 % 0171.1 10 g plastic 24,90 0171.2 50 g plastic 69,90 0171.3 100 g plastic 119,00 0171.4 250 g plastic 299,00 ca gel 2500 0,09-0,13 mm cic acid amorphous, ciumdioxide Si 2 M 60,09 g/mol [7631-86-9] EC o. 231-545-4 Appearance... white powder Loss on drying (160 C)... 6 % Pore volume (H 2 ).... 1,0 ml/g Specific surface (BET)...12-18 m 2 /g Volatile parts (950 C).... 10,0 % Si 2 content (dry substance).... 99,3 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size (µm): >65.... 96 % >90.... 70 % >125.... 20-45 % >150.... 24,5 % ca gel 4500 0,1-0,3 mm ca gel 2500 0177.1 10 g plastic 24,90 0177.2 50 g plastic 69,90 0177.3 100 g plastic 119,00 ca gel 4500 cic acid amorphous, ciumdioxide Si 2 M 60,09 g/mol [7631-86-9] EC o. 231-545-4 Appearance... white powder Loss on drying (160 C)... 6 % Pore volume (H 2 )....0,9-1,2 ml/g Specific surface (BET)...8-12 m 2 /g Volatile parts (950 C).... 13,0 % Si 2 content (dry substance).... 99,4 % Fe 2 3 content (dry substance).... 0,014 % a 2 content (dry substance).... 0,15 % S 4 content (dry substance)... 0,10 % Particle size (µm): <100.... 5,0 % >315.... 2,0 % >500.... 0 % 0186.1 10 g plastic 29,90 0186.2 50 g plastic 89,90 0186.3 100 g plastic 159,00 Diethylketone Diet 99 %, for synthesis Solvents 3-Pentanone, Dimethyl acetone, Propione C 5 H 10 M 86,13 g/mol D 0,81 bp 101 C mp -39 C flp 7 C [96-22-0] EC o. 202-490-3 U o. 1156 ADR 3 II l g Danger H225-H319-H335-H336-EUH066 Assay (GC).... 99,0 % 0262.2 1 l glass 39,90 riginal pack 6 x 1 l 37,91/1 l 0262.3 2,5 l glass 79,90 riginal pack 4 x 2,5 l 75,91/2,5 l 0262.4 5 l plastic 139,00 riginal pack 2 x 5 l 132,05/5 l 1,4-Diisocyanatobutane Diis 99 %, for synthesis Diethylketone 0262.1 500 ml glass 24,90 C 1,4-Diisocyanatobutane C BDI, 1,4-Butane diisocyanate, Tetramethylene diisocyanate C 6 H 8 2 2 M 140,14 g/mol D 1,11 bp 220 C mp 27 C flp 106 C [4538-37-8] g n Danger H302+H312+H332-H315- H317-H319-H334-H335 Assay.... 99,0 % 0660.1 1 g glass 29,90 0660.2 5 g glass 99,00 0660.3 10 g glass 169,00 For ordering and information about prices and delivery in your country please contact us or your local distributor info@carlroth.com 17

,-Dimethylcyclohexylamine Dime 99 %, for synthesis Cyclohexyl dimethylamine C 8 H 17 M 127,23 g/mol D 0,85 bp 162 C mp -77 C flp 41 C [98-94-2] EC o. 202-715-5 U o. 2264 ADR 8 II l h i j Danger H226-H301+H311+H331-H314-H411 Assay (GC).... 99,0 % Water... 0,3 % 9986.2 1 l glass 34,90 riginal pack 6 x 1 l 33,16/1 l 9986.3 2,5 l glass 69,90 riginal pack 4 x 2,5 l 66,41/2,5 l 9986.4 5 l plastic 119,00 riginal pack 2 x 5 l 113,05/5 l,-dimethylcyclohexylamine 9986.1 500 ml glass 24,90,-Dimethylformamide (DMF) CH 3 CH 3,-Dimethylformamide (DMF) Dime RTISLV HPLC DMF C 3 H 7 M 73,10 g/mol D 0,95 bp ~153 C mp -61 C flp 58 C [68-12-2] EC o. 200-679-5 U o. 2265 ADR 3 III WGK 2 l n g Danger H226-H360D-H312+H332-H319 Assay (GC).... 99,8 % Water (KF).... 0,05 % Acidity (as CH 3 CH).... 0,003 % Evaporation residue... 0,0005 % Transmission: 320 nm... 97 % 300 nm... 90 % 275 nm... 60 % 270 nm... 30 % Filtered through a 0,4 µm membrane and filled under protective gas. 0702.1 2,5 l glass 83,50 riginal pack 4 x 2,5 l 79,33/2,5 l,'-dimethylpropylene urea H 3 C,'-Dimethylpropylene urea Dime 99 %, for synthesis Polar aprotic solvent, substitute for hexamethylphosphoramide (HMPA). DMPU,,'-Dimethyl-,'-trimethylene urea, 1,3-Dimethyl-3,4,5,6-tetrahydro- 2(1H)-pyrimidinone C 6 H 12 2 M 128,18 g/mol D 1,06 bp 246 C mp -24 C flp 120 C [7226-23-5] EC o. 230-625-6 h g n Danger H302-H318-H361f Assay.... 99,0 % Refractive index (20 C).... 1,4883-1,4913 Water (KF)... 0,1 % 0662.1 25 ml glass 19,90 0662.2 100 ml glass 44,90 0662.3 500 ml glass 129,00 Dimethyl sulphoxide (DMS) H 3 C S CH 3 CH 3 Dimethyl sulphoxide (DMS) Dime RTISLV HPLC DMS C 2 H 6 S M 78,13 g/mol D 1,1 bp 189 C mp 18,5 C flp 87 C Solubility: 1000 g/l (H 2, 20 C) [67-68-5] EC o. 200-664-3 Assay (GC)... 99,9 % Water (KF)... 0,05 % Acidity.... 0,001 meq/g Evaporation residue.... 0,001 % Transmission: 350 nm.... 98 % 330 nm.... 95 % 310 nm.... 90 % 290 nm.... 70 % 270 nm.... 40 % Filtered through a 0,2 µm membrane and filled under protective gas. 0728.1 2,5 l glass 139,00 riginal pack 4 x 2,5 l 132,05/2,5 l 1,3-Dioxolane Diox 90 %, for synthesis Formal glycol C 3 H 6 2 M 74,08 g/mol D 1,06 bp 74 C mp -26 C flp 2 C [646-06-0] EC o. 211-463-5 U o. 1166 ADR 3 II l g n Danger H225-H319-H360D Assay.... 90 % Water.... 7 % Methanol... 2 % 0447.3 1 l glass 49,90 riginal pack 6 x 1 l 47,41/1 l 0447.4 2,5 l glass 99,90 riginal pack 4 x 2,5 l 94,91/2,5 l Dodecylbenzene Dode 98,5 %, tech. 1,3-Dioxolane 0447.1 100 ml glass 12,90 0447.2 500 ml glass 29,90 C 12 H 25 Dodecylbenzene 1-Phenyldodecane, Mixture of C 10 -C 13 alkylbenzenes C 18 H 30 M 246,44 g/mol D ~0,85 [123-01-3] EC o. 204-591-8 H413 Assay (C 10 -C 13 alkylbenzenes).... 98,5 % Density...0,850-0,870 Refractive index....1,480-1,490 0974.1 100 ml glass 23,90 0974.2 500 ml glass 77,90 18 Carl Roth GmbH + Co. KG Schoemperlenstr. 3-5 76185 Karlsruhe www.carlroth.com Phone +49 721/5606 510 Fax +49 721/5606 111