Ammonium Sulfate N: 21% Chemical Products
Molecular formula: (NH4)2SO4 Molecular weight: 132.14
CAS No: 7783-20-2 HS NO: 31022100
Index Premiumgrade Firstgrade Conforming product
Appearance White or off-white granule crystal
N content (dry basis)% >= 21.0 21.0 20.5
Water(H2O)content%< = 0.2 0.3 1.0
Free acid(H2SO4)%< = 0.03 0.05 0.20
Iron Fe)content%< = 0.007 -- --
Arsenic As)content%< = 0.00005 -- --
Heavy metal(pb)% < = 0.005 -- --
Insoluble substance in water
%< = 0.01 -- --
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: 25 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.
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