High purity, consistent supply, competitive price soluble in water, ethanol, not soluble in diethyl ether, acetone.Spec:Appearance:white powder,odorlessAssay:99% minloss on drying:1% maxresidue on ignition:0.1% maxPb:10 ppm maxAs:5 ppm maxChloride:100 ppm maxSulfate:100 ppm maxNH4:200 ppm max Application: pharmaceutical synthesis intermediatesraw material for food and health products.