Product description: White exiguous acicular or oblique-pillar crystal. Smell-less,tast-bitter.Easily efflorescent at dry air. --Speciific gravity is 1.68. --Freely soluble in water . Soluble in its own water at 67.5oC.Slightly soluble in ethanol and glycerin. --Dcomposing is heatedup.Lossing 4 crystal water at 70-80oC.About at 200oC,lossing all of its crystal water becomes anhydrous compounds
Uses : Mainly used in fertilizer, tanning, pringting and dyeing,activator,paper-making,plastic,porcelain,pigment matchmaking ,dynamite and fire-proof materials making .