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

- Synonyms: Ile, 2-Amino-3-methylvaleric acid, (2S,3S)-2-Amino-3-methylpentanoic acid
- C6H13NO2
- M = 131,18 g/mol
- CAS [73-32-5]
- EINECS-No.: 200-798-2
- Solub. in water: (20 ºC): 32,1 g/l
- Melting point: 279 - 280 ºC (decomposes)
- Tariff number: 2922 49 95 90
- Applications: synthesis of organic products, for pharmaceutical use, in food industry.

SPECIFICATIONS

dried sample) : 98,5 - 101,0 %
identification: passes test
appearance of solution: passes test

HCl 250g/l, on dried sample): + 40,0 º - + 43,0 º
specific rotation ([a]25°/D; c=4, HCl 6N): + 38,9 º - + 41,8 º
pH (1 %, H2O): 5,5 - 7,0
chlorides (Cl): max. 200 ppm
sulfates (SO4): max. 300 ppm
ammonium (NH4): max. 0,02 %
iron (Fe): max. 10 ppm
ninhydrin-positive substances: passes test
residue on ignition: max. 0,3 %
loss on drying (105 ºC, 3 h): max. 0,5 %