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LC1359 Choline hydrogen tartrate suitable for use as excipient EMPROVE exp DAB 10,FCC Order number Packaging Quantity Price AC28359 Plastic bottle 5 kg Inquire AC28359 Drum, fibre 25 kg Inquire Product information Grade DAB 10,FCC Synonyms Choline bitartrate Hill Formula C9H19NO7 HS Code 2923 10 00 EC number 201-763-4 Molar mass 253.25g/mol CAS number 87-67-2 Chemical and physical data Solubility (20C)soluble Melting point 147-152C Molar mass 253.25g/mol Bulk density 475kg/m3 pH value 3.0-4.4 (50g/l, H2O, 20C) Safety information Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly water endangering Disposal 3Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. Toxicological data LD 50 oral LD50 rat 3400 mg/kg Specifications Assay(perchloric acid titration, calculated on dried substance) 98.0 - 101.0% Identity passes test Appearance of solution(5%; water) passes test Acidity or alkalinity passes test Melting temperature 147 - 152C Spec. rotation []25/D(40.0g/100ml;water) 17.5 - 18.5 Heavy metals(as Pb) 0.001% As (Arsenic) 0.0003% Pb (Lead) 0.0002% Ammonium, volatile amines passes test Ammonium, primary amines passes test 1,4 Dioxane passes test Methanol(HS-GC) 3000ppm Residual solvents (Ph Eur /ICH) class 3 0.5% Other residual solvents (Ph Eur/ICH) excluded by production process Residue on ignition 0.1% Loss on drying(105C) 0.3% Water 0.5% Residues of metal catalysts or metal reagents acc. to EMEA/C HMP/SWP/4446/2000 are not likely to be present. Corresponds to DAB 10, FCC