... maxMolecular Formula(NH4)2 SO4Free Acid0.2% maxHS Code31022100Grade Standardagriculture,steel gradePlace of originChina(mainland)ApplicationAgriculture,FertilizerBrand NameYuanchengAppearancewhite powder, color instability. ... if you have any question,thanks.Physical property:white powder, easily soluble in water, aqueous solution appears acid. ... you have any question. Ammonium Aluminum Sulfate Powder