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Sodium L-glutamate monohydrate, Pharmpur®, NF

- C5H8NNaO4·H2O
- M = 187,13 g/mol
- CAS [6106-04-3]
- EINECS-No.: 205-538-1
- Solub. in water: (20 ºC): ~ 600 g/l
- Melting point: 225 - 240 ºC
- Flash pt. > 900 ºC
- LD 50 (oral, rat): 15800 mg/kg
- Tariff number: 2922 42 00 10
- Applications: in food industry (E 621).

SPECIFICATIONS
assay (titration with HClO4): 99,0 - 100,5 %
Identification IR: passes test
Identification sodium: passes test
clarity and colour of solution: passes test
pH (5 %, H2O, 25 °C): 6,7 - 7,2
specific rotation ([a]20º/D, c = 10, HCl 2 mol/l, on dried sample) : + 24,8 ° - + 25,3 °
chlorides (Cl): max. 0,25 %
lead (Pb): max. 10 ppm
loss on drying (5h; 100ºC): max. 0,5 %