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 Pottasium or Phosphate granular fertilizer to be made into NPK blending fertilizers.

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.