L-Arginine powder, CAS No.74-79-3, non essential amino acid manufactured manufactured by fermentation from carbohydrate sources. L-Arginine is widely used in food, protein powder, skin care cosmetics. Use as Fragrance Ingredient; Hair Conditioning Agent; Skin-Conditioning Agent Miscellaneous; Antistatic, masking, skin conditioning. L-arginine also used as nutrition supplements by athletes to recover from fatigue. Arginine Function: can lower risk for arteriosclerosis and heart attack and repairing blood vessels. As an experienced L-Arginine manufacturer and supplier, we has been supplying and exporting L-Arginine for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. L-Arginine Specification Item Specifications (USP) Specifications (AJI) Description White crystals or crystalline powder White crystals or crystalline powder Identification Infrared absorption spectrum Infrared absorption spectrum Specific rotation[a]D20 +26.3 - +27.7 +26.9 - +27.9 State of solution/Transmittance 98.0% Chloride (Cl) 0.05% 0.020% Ammonium (NH4) 0.02% Sulfate (SO4) 0.03% 0.020% Iron (Fe) 0.003% 10PPm Heavy metals (Pb) 0.0015% 10PPm Arsenic (As2O3) 1PPm Other amino acids Chromatographically not detectable Loss on drying 0.5% 0.5% Residue on ignition(sulfated) 0.3% 0.10% Assay 98.5-101.5% 99.0-101.0% PH 10.5-12.0 Organic volatile impurities Meets the requirements