Industry grade ammonium sulphate

Item Caprolactam grade ammonium sulphate

Nitrogen 21%min

Sulfur 23.5%min

Moisture 0.5%max

Free acidity 0.03%max

Standard GB535-1995

MF (NH4)2SO4

Molecular Weight 132.14

CAS 7783-20-2

Appearance White/yellowish crystal,no visible mechanical impurity

Properties Easily soluble in water. Aqueous solution appears acid. Insoluble in , acetone and ammonia. Easily deliquescent and volatilized in the air. Slight odor of ammonia.

Uses Applicable to common soil and crops, not only used directly, but also used as water soluble fertilizer. Ammonium sulfate is also used as fireproof agent and additive. In industry it is flux in jointing industry. Food-grade products are used as dough regulators and yeast nutrition.