L-Arginine HCl

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General Information
Products name:L-Arginine HCl
CAS NO :15595-35-4;119-34-2
EINECS NO:214-275-1
Molecular formula: C6H14N4O2
Molecular weight: 210.77
Appearance:White crystalline powder, odorless, bitter taste.
Solubility:easy to dissolve in water, aqueous solution was acidic reaction, in ethanol extremely slightly soluble, insoluble in ether.
USES:Pharmaceutical raw materials and food additives.
Item of Analysis Specification Results
Assay 98.5%-101.5% Conforms
Appearance white or almost white crystalline powder or colorless crystals Conforms
Odor Characteristic Conforms
Taste Characteristic Conforms
Physical Characteristics
Identification as per USP33 Conforms
Specific rotation +21.4° to +23.6° Conforms
Loss on drying ≤0.20% ≤0.20%
Chromatographic purity as per USP33 Conforms
Organicvolatile impurities as per USP33 Conforms
Residual solvents as per USP33 Conforms
Residue on ignition ≤0.10% ≤0.10%
Heavy metals
Heavy metals(Pb) ≤0.002% Conforms
Chloride (Cl) 16.5% to 17.1% Conforms
Arsenic (As2O3) ≤1PPM Conforms
Ammonium (NH4) ≤0.02% Conforms
Sulfate (SO4) ≤0.030% Conforms
Microbiological Tests
Total aerobic plate count ≤1000cfu/g Conform
Yeast & Mold ≤100cfu/g Conform
E. Coli. Negative Conform
Salmonella Negative Conform
Staphylococcus Negative Conform