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

- Synonyms: a-Amino-b-phenyl propionic acid
- C9H11NO2
- M = 165,19 g/mol
- CAS [63-91-2]
- EINECS-No.: 200-568-1
- Solub. in water: (20 ºC): 27 g/l
- Melting point: 275 - 283 ºC (decomposes)
- Tariff number: 2922 49 95 90
- Applications: in biochemistry, cosmetics, for pharmaceutical use, in pharma industry.

SPECIFICATIONS
assay (titration with HClO4, on dried sample) : 98,5 - 101,0 %
Identification IR: passes test
Identification TLC: passes test
Identification D (EP): passes test
appearance of solution: passes test
pH (1 %, H2O): 5,4 - 6,0

chlorides (Cl): max. 200 ppm
sulfates (SO4): max. 300 ppm
ammonium (NH4): max. 0,02 %:
iron (Fe): max. 10 ppm

any ninhydrin-positive substances: max. 0,2 %
total : max. 0,5 %

any individual impurity: max. 0,5 %
total : max. 2,0 %
residue on ignition: max. 0,1 %
loss on drying (105 ºC): max. 0,5 %