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L-Isoleucine, Pharmpur®, Ph Eur, BP, USP

- Synonyms: Ile, 2-Amino-3-methylvaleric acid, (2S,3S)-2-Amino-3-methylpentanoic acidr- C6H13NO2r- M = 131,18 g/molr- CAS [73-32-5]r- EINECS-No.: 200-798-2r- Solub. in water: (20 ºC): 32,1 g/lr- Melting point: 279 - 280 ºC (decomposes)r- Tariff number: 2922 49 95 90r- Applications: synthesis of organic products, for pharmaceutical use, in food industry.rrSPECIFICATIONSrrdried sample) : 98,5 - 101,0 %ridentification: passes testrappearance of solution: passes testrrHCl 250g/l, on dried sample): + 40,0 º - + 43,0 ºrspecific rotation ([a]25°/D; c=4, HCl 6N): + 38,9 º - + 41,8 ºrpH (1 %, H2O): 5,5 - 7,0 rchlorides (Cl): max. 200 ppmrsulfates (SO4): max. 300 ppmrammonium (NH4): max. 0,02 % riron (Fe): max. 10 ppmrninhydrin-positive substances: passes testrresidue on ignition: max. 0,3 %rloss on drying (105 ºC, 3 h): max. 0,5 % r