Product Description:
Ammonium Sulphate　
CAS NO.:7783-20-2
EINECS NO.:231-984-1
H.S.Code:31022100
Molecular formula：(NH4)2SO4

Features：
White or light-colored crystals with a relative density of D₄²º=1.769, can be decomposed at 235 ℃, soluble in water ( acidic aqueous solution), insoluble in ethanol or acetone, will become pieces after moisture absorption and release ammonia when acting with alkali.
Classification
（一）Caprolactam grade:  byproduct of caprolactam
Usage：Mainly used as fertilizer for various soils and crops; also can be used in textile, leather, medicine and as nitrogen sources for yeast fermenting.
（二）Ammonium pyrosulfate: byproduct of coking.
　Quality standard：N-≥20.5%；Water -≤1%。
　Usage : mainly used for making compound fertilizer, potassium sulfate, ammonium chloride, ammonium persulfate, etc. , can also be used for rare earths mining.

Technical specifications（China National Standard CGB535-1995）

 Note: When the ammonium sulphate is used for agriculture, it is not necessary to check the content of Fe, As, heavy metal or water insolubles.