Item
Standard
Test result
Nitrogen % ≥
20
20.3
Sulfur % ≥
23
23.5
Moisture % ≤
2
1.5
Free acidity (H2SO4) % ≤
0.03
0.008
Formulae
（NH4）2SO4
Molecular weight
132.14
CAS
7783-20-2
Properties
Pure white fine crystalline powder. Easily soluble in water. Aqueous solution appears acid. Insoluble in alcohol, acetone and ammonia. Tasteless. Low of PH value that suit for the production of liquid fertilizer.
Uses
Suit for the production of water soluble fertilizer, Or can be fertilizing on soil land directly. Also can be made into granular fertilizer for bulk blending.
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.