产品描述

Appearance     A White or almost white crystalline powder
Solubility     According to BP2011
Melting point     205 ℃-209℃
Identification     B:IR absorption;D:Reaction (a) of chlorides
PH     2.4-3.0
Loss on drying     ≤ 0.5%
Residue on ignition     ≤0.1%
Heavy  metals(pb)     ≤0.003%
Assay     99.0%~101.0%