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L-Leucine, Pharmpur®, Ph Eur, BP, USP

- Synonyms: 2-Amino-4-methylvaleric acid, a-Aminoisocaproic acid, 2-Amino-4-methylpentanoic acidr- C6H13NO2r- M = 131,18 g/molr- CAS [61-90-5]r- EINECS-No.: 200-522-0r- Solub. in water: (20 ºC): 24 g/lr- Melting point: 300 ºC (decomposes)r- Tariff number: 2922 49 95 90r- Applications: in biochemistry, in food industry, synthesis of organic products, in pharma industry.rrSPECIFICATIONSrrdried sample) : 98,5 - 101,0 %ridentification: passes testrappearance of solution: passes testrrHCl 250g/l): +14,5 º - +16,5 ° rspecific rotation ([a]25°/D; c=4, HCl 6N): + 14,9 º - + 17,3 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. 0,1 % rloss on drying (105 ºC): max. 0,2 %r