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L-Arginine Hcl

Molecular Formula: C6H14N4O2·HC1 

Molecular Weight: 210.66 

CAS No: 1119-34-2

L-Arginine HclCP2020 EP11USP2023
Assay≥98.5%98.5-101.0%98.5-101.5%
PH///
Specific rotation[a]D20+21.5°-+23.5°+21.0°-+23.5°+21.4°-+23.6°
Specific rotation[a]D25///
Transmittance(T430)≥98.0%//
Appearance of solution/clear & colorless ≤BY6/
Chloride(Cl)16.5-17.1%/16.5-17.1%
Ammonium(NH4)≤0.02%≤0.02%/
Sulfate(SO4)≤0.02%≤0.03%≤0.03%
Iron(Fe)≤10PPM≤10PPM/
Heavy metals(Pb)≤10PPM//
Arsenic≤1PPM//
Other amino acids≤0.20%/

individual impurities≤0.5%

total impurities≤2.0%

Ninhydrin-positive substances/each impurity≤0.2%

total impurity≤0.5%

/
Loss on drying≤0.20%≤0.50%≤0.20%
Residue on ignition≤0.10%≤0.10%≤0.10%
proteinno precipitate//
Endotoxinconformconformconform
Total plate count≤ 500 CFU/g≤ 500 CFU/g≤ 500 CFU/g
Moulds & Yeasts≤ 50 CFU/g≤ 50 CFU/g≤ 50 CFU/g