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

- Synonyms: 2-Amino-5-guanidinovaleric acid
- C6H14N4O2
- M = 174,20 g/mol
- CAS [74-79-3]
- EINECS-No.: 200-811-1
- Solub. in water: (20 ºC): 148,7 g/l
- Melting point: 216 - 218 ºC (decomposes)
- LD 50 (oral, rat): > 5110 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H319
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P337+P313
- Tariff number: 2925 29 00 90
- Applications: for pharmaceutical use, in food industry, in pharma industry.

SPECIFICATIONS
assay (titr. with HClO4, referred to dried sample): 98,5 - 101,5 %
assay (acidimetric, referred to dried sample): 98,5 - 101,0 %
Identification IR: passes test
Identification TLC: passes test
identification B (EP): passes test
Identification E (EP): passes test
appearance of solution: passes test
specific rotation ([a]25°/D; c=8, HCl 6N): + 26,3 º - + 27,7 º
specific rotation ([a]20/D, c = 8, HCl 250g/l on dried substance): + 25,5 º - + 28,5 °
chlorides (Cl): max. 200 ppm
sulfates (SO4): max. 300 ppm
ammonium (NH4): max. 0,02 %
iron (Fe): max. 10 ppm

individual: max. 0,2 %
total: max. 0,5 %

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