Ammonium sulphate
Physical and Chemical Properties: white crystal granule, solube in water. It will decompose at 280 and produce ammonia and sulfuric acid.

Main Ingredient: amonium sulfate.

Molecular Formula: (NH4)2SO4

Molecular Weight: 132.13

Up to GB535-1995

Quality Standards


Item Excellent Grade 1 Grade 2
N (on dry base), % no less than 21.0 21.0 20.8
H2O, % no more than 0.2 0.3 1.0
Free acid (H2SO4), % no more than 0.03 0.05 0.20
Fe, % no more than 0.007
As, % no more than 0.00005
Heavy metal (Pb), % no more than 0.005
Insoluble matter in water, % no more than 0.01



Uses: mainly used as the raw material for fertilizer, chemicals, dyeing, medicine, leather, etc..

Packing: woven bag lined with plastic one, 50kg


Ammonium sulphate
Physical and Chemical Properties: white crystal granule, solube in water. It will decompose at 280 and produce ammonia and sulfuric acid.

Main Ingredient: amonium sulfate.

Molecular Formula: (NH4)2SO4

Molecular Weight: 132.13

Up to GB535-1995

Quality Standards


Item Excellent Grade 1 Grade 2
N (on dry base), % no less than 21.0 21.0 20.8
H2O, % no more than 0.2 0.3 1.0
Free acid (H2SO4), % no more than 0.03 0.05 0.20
Fe, % no more than 0.007
As, % no more than 0.00005
Heavy metal (Pb), % no more than 0.005
Insoluble matter in water, % no more than 0.01



Uses: mainly used as the raw material for fertilizer, chemicals, dyeing, medicine, leather, etc..

Packing: woven bag lined with plastic one, 50kg