escription white crystalline powder Melting point 205~209℃ Solubility complies Clarity complies Color of solution complies Acidity Ph 2.4~3.0 Heavy metals ≤10 PPM Related substances complies Loss on drying <0.5% Residue on ignition <0.1% Assay (on drying basis) >99.0%~101% Chloride content 16.9%~17.6% In conpliance with USP/BP 98