L-Histidine hydrochloride monohydrate, Pharmpur®, Ph Eur, BP

- Synonyms: (S)-a-Amino-1H-imidazole-4-propanoic acidr- C6H9N3O2·HCl·H2Or- M = 209,63 g/molr- CAS [5934-29-2]r- EINECS-No.: 211-438-9r- Solub. in water: (20 ºC): 169,9 g/lr- Melting point: 259 ºC (decomposes)r- Tariff number: 2933 29 90 90r- Applications: in biochemistry, for pharmaceutical use, in pharma industry.rrSPECIFICATIONSrrdried sample) : 98,5 - 101,0 %ridentity (IR-spectrum): passes testrIdentification TLC: passes testrIdentification E (EP): passes testrIdentification chloride: passes testrappearance of solution: passes testrspecific rotation ([a]20°/D, c = 11, HCl 6 mol/l): + 9,2 º - + 10,6 ° rpH (5 %, H2O): 3,0 - 5,0 rsulfates (SO4): max. 300 ppmrammonium (NH4): max. 200 ppmriron (Fe): max. 10 ppmrrany ninhydrin-positive substances: max. 0,2 %rtotal: max. 0,25 %rresidue on ignition: max. 0,1 %rloss on drying (150 °C) : 7 - 10 % r