L-Leucina, Pharmpur®, Ph Eur, BP, USP
- Synonyms: 2-Amino-4-methylvaleric acid, a-Aminoisocaproic acid, 2-Amino-4-methylpentanoic acid - C6H13NO2 - M = 131,18 g/mol - CAS [61-90-5] - EINECS-No.: 200-522-0 - Solub. in water: (20 ºC): 24 g/l - Melting point: 300 ºC (decomposes) - Tariff number: 2922 49 95 90 - Applications: in biochemistry, in food industry, synthesis of organic products, in pharma industry. SPECIFICATIONS dried sample) : 98,5 - 101,0 % identification: passes test appearance of solution: passes test HCl 250g/l): +14,5 º - +16,5 ° specific rotation ([a]25°/D; c=4, HCl 6N): + 14,9 º - + 17,3 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. 0,1 % loss on drying (105 ºC): max. 0,2 %
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