[Name of product]: L-HISTIDINE HCL MONOHYDRATE (L-HISTIDINE HCL H2O) [Chemical Formula]: [Molecular Formula]: C6H10CLN3O2·H20 [Molecular weight]: 209.64 [Character]: White crystals or white crystalline powder, slightly acid and bitter taste. Freely soluble in water and formic acid, insoluble in ethanol and ether. Item Standard(AJI97) Appearance White crystals or crystalline powder Assay (on dry matter) 98.5%～101.0% Specific rotation +8.9°～+9.5° Transmittance clear and colorless, 98% min. pH 3.5～4.5 Loss on drying 0.20% Max. Residue on ignition 0.10% Max. Chloride 16.66% ～17.08% Ammonium 0.02% Max. Sulfate 0.02% Max. Iron 10PPM Max. Heavy metals 10PPM Max. Arsenic 1PPM Max. [Usage]: L-HISTIDINE HCL H20 belongs to semi-essential amino acid, often used as nutritional supplement, being an important part of amino acid perfusion and forming compound amino acid; it is also used to treat gastric ulcer in pharmaceutical field. [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.