[Name of product]: L-CYSTEINE HCL MONOHYDRATE（L-CYSTEINE HCL H2O） [Molecular Formula]:C3H7NO2S·HCL·H2O [Molecular weight]: 175.64 [Character]: White crystals or white crystalline powder, strong acid taste. Very soluble in water. [Quality Standard ]: Pharma Grade adopted as USP32 Standard According to buyer's Requirements, Generally Item Pharma Grade(USP32) Appearance White crystalline powder Assay(on dry matter) 98.5%～101.5% Specific rotation +5.7º～+6.8º Loss on drying 8.0%～12.0% Residue on ignition 0.4% MAX Sulfate 0.03% MAX Iron 0.003% MAX Heavy metals 0.0015% MAX Chromatographic purity Pass USP test [Usage]: L-CYSTEINE HCL H2O is often used nutritional supplement, antiseptics, anti-oxidant and color fixatives; also used as bread improver etc. [Packing]: In kraft paper bags or in fiber drum of 25KG net each. [Transport and Storage]: Handle with cares to avoid damaging the package, protects them from sunshine or rain. Don’t transport it with poisonous or harmful goods. Stored in shaded, cool and dry places.