• ammonium sulphate
  • ammonium sulphate
  • ammonium sulphate

Ammonium Sulphate

  • Appearance: White crystal
  • N: 21.0%min
  • Water: 0.2%max
  • Free acid: 0.03%max
  • Fe: 0.007%max
  • As: 0.00005%max

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■ Specifications
CAS No.:7783-20-2
EINECS No.:231-984-1
Density:1.769 g/cm3 (20 °C)
It is used in metallurgy, medicine, leather, wood preservative, textile, plating, ferment, fertilizer. 
■ Full Data
Item Technical Data
Appearance White crystal
N 21.0%min
Water 0.2%max
Free acid 0.03%max
Fe 0.007%max
As 0.00005%max
Heavy metal(Pb) 0.005%max
Water insolubles 0.01%max
Molecular formula (NH4)2SO4
Molecular weight 132.13
Element Composition If pure substance, nitrogen content is 21.21%, sulfer content is 24.26%.
Density 1.769g/cm3
Decomposition temperature 235 degrees centigrade
CAS No. 7783-20-2
H.S.code (customs code) 31022100
Color Pure chemicals of ammonium sulfate are colorless rhombic crystals. Industrial products are white color, light grey or light yellow or yellowish-brown color crystal because of different impurities bearing.
Physicalproperty easy to dissolve in water and can not dissolve in alcohol, acetone, ammonia;
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