L-Arginine hydrochloride

ITEMS

SPECIFICATION

RESULTS

Apperance

White crystals or crystalline powder

Conforms

Specific rotation[a]D20°

+26.3°~+27.7°

+27.2°

Solubility

Freely soluble in water,sparingly soluble in alcohol and insoluble in ether

Conforms

Chloride(Cl)

≤0.05%

0.014%

Sulfate(SO4)

≤0.030%

≤0.012%

Iron(Fe)

≤30PPM

5PPM

Heavy metals(Pb)

≤15PPM

3PPM

Organic volatile impurity

Meets the requirement

Conforms

Loss on drying

≤0.5%

0.18%

Residue on ignition

≤0.3%

<0.1%

Assay

99.0~101.5%

99.8%