1.HIGH QUANLITY AND BEST PRICE ! SGS ,CIQ 2.Used as medicine (laxative), fertilizer 3.making of alum, glass and potassium Product name :Potassium SulfateCAS No.:7778-80-5Formula:K2SO4MW:174.25Characters:colorless crystal or white crystalline powder, it is heavt and hard, bitter and salty, slightly soluble in water and glycerol, insoluble in ethanol.Specifications:Potassium SulfateA.R. C.P. ...