L-Glutamic acid, Pharmpur®, Ph Eur, BP

- Synonyms: L-a-Aminoglutaric acid, (S)-2-Aminopentanedioic acid
- C5H9NO4
- M = 147,13 g/mol
- CAS [56-86-0]
- EINECS-No.: 200-293-7
- Solub. in water: (25 ºC): ~ 11,1 g/l
- Melting point: 160 ºC
- LD 50 (oral, rat): > 30000 mg/kg
- Tariff number: 2922 42 00 90
- Applications: in biochemistry, in food industry, in pharma industry.

SPECIFICATIONS
assay (acidimetric, referred to dried sample): 98,5 - 100,5 %
Identification IR: passes test
Identification C (EP): passes test
Identification D (EP): passes test
appearance of solution: clear and colourless

chlorides (Cl): max. 200 ppm
sulfates (SO4): max. 300 ppm
ammonium (NH4): max. 200 ppm
iron (Fe): max. 10 ppm
ninhydrin-positive substances: passes test
residue on ignition: max. 0,1 %
loss on drying (105 ºC): max. 0,5 %