Property:     White or slight yellow oblique and square crystals. Specific gravity: 2.168. Melting point: 271. It is soluble in water and liquid ammonium easily. Water solution is appeared as alkaline (pH=9), slightly soluble in methyl alcohol, ethanol and ether, with very strong hygroscopicity. Specification:    

                                    Usage:       It can be used as mordant for textile dyeing, as bleaching agent for silk and linen, metal heat treatment agent, electroplating preventing corrosion agent, chemical analysis reagent, in pharmaceutical as blood vessel dilatation agent, etc. We’ve passed the ISO-9002 qualification. Packing:   PP plastic woven bag at outside layer, lined with PE plastic film bag. Net weight 25kg.