Ammonium sulfate Molecular formula:(NH4)2SO4 
 Molecular weight:**2.*4  
CASNO:********2  
HS NO: *******0
Index Premium grade First grade Conforming product
Appearance White or off-white granule crystal
N content (dry basis)% ≥ *1.0 *1.0 *0.5
Water(H2O)content%≤ 0.2 0.3 1.0
Free acid(H2SO4)%≤ 0.*3 0.*5 0.2
Iron Fe)content%≤ 0.**7 *- *-
Arsenic As)content%≤ 0.****5 *- *-
Heavy metal(pb)% ≤ 0.**5 *- *-
Insoluble substance in water %≤ 0.*1 *- *-
Alias: ammonium sulfate, ammonium sulphate, sulfuric acid, diammonium salt, diammonium sulfate
Properties: White or off-white granule, easily soluble in water. Aqueous solution appears acid. Insoluble in alcohol, acetone and ammonia, Easily deliquescent in the air.
Usage: Nitrogenous in agricultural industry, the raw material of chemistry industry; textiles; Pharmaceutical industry and leather industry etc. 
Packing: *5 kgs net in PP bag with inner of polyethylene bag.
Storage: Kept in dry and ventilating place, avoid moisture, water, rain and fire. Avoid shipment with acid, alkali class, edible orange mix of chemicals. Common transportation tools.