Characteristic:
Appearance and properties: colorless or beige granular crystal, industrial products are red-brown or brick red blocks.
Relative density: 1.86
Melting point(℃): 1180
Concentration: assay: industrial grade first level ≥ 60.0%.
Solubility: easily soluble in water, insoluble in diethyl ether, slightly soluble in ethanol.