China Capro Grade Crystal (NH4) 2so4 Ammonium Sulphate Fertilizer Specification, Find details about China (NH4) 2so4, (NH4) 2so4 Ammonium Sulfate from Capro Grade Crystal (NH4) 2so4 Ammonium Sulphate Fertilizer Specification
1) Ammonium sulfate (IUPAC-recommended spelling; also ammonium sulphate in British English), (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen as ammonium cations, and 24% sulfur as sulfate anions.
Item | Technical Data |
Appearance | White crystal |
N | 21.0%min |
Water | 0.5%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 |
Note: When ammonium sulphate is used in agriculture,it is not necessary to check the content of Fe,As,heavy metal and water insolubles. |
2)Specifications:
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; |