Specifications: GB535-1995 item standard Test result Nitrogen（%≥） 20.5 20.9 Sulfur（%≥） 23 23.5 moisture（%≤） 1.5 1 Free acidity(H2SO4)%≤ 0.2 0.03 Formulae (NH4)2SO4 Molecular weight 132.14 CAS 7783-20-2 properties White/off white Granule, easily soluble in water. Aqueous solution appears acid. Insoluble in alcohol, acetone and ammonia. Slight odor of ammonia. uses Used to fertilizing on soil land directly. Or mixing with potassium or phosphate granular fertilizer to be made into NPK blending fertilizers.Applicable to crops: wheat, corn, soybeans, fruit, rice, cotton, peanuts, vegetables and other crops. storage As with most solid fertilizers, Ammonium Sulphate can be stored over a season as long as it is kept in a cool, dry ,well ventilated area. Evelyn Saler HEBEI LONGHAI FERTILIZER Co., Ltd. Skype: ms.han5219 Mobile: +86 15532162787 TEL: +86 311 8606 0818 Web: www.lh-agriculture.com Email:Evelyn@lh-agriculture.com