Ammonium Sulphate
Synonyms:Ammonium Sulfate, Diammonium Sulfate
Molecular formula:(NH
4)
2SO
4
Molecular weight:132.13
CAS No.:7783-20-2
EINECS No.: 231-984-1
HS Code: 3102210000
Property:Ammonium Sulphate is brownish gray to white Crystal, easily soluble in water,aqueous solution appears acid. Specific Gravity 1.77, Easily deliquescent in the air.
A: Ammonium sulphate crystal (We also call it granular ammonium sulphate)
Appearance: white crystal, particle size: 1-4mm
Usage: Can be used in industrial and medical professional.
B: Ammonium sulphate powder
The N content : 20.5 % min; Water content : 1% max
Usage: Can be used as fertilizer or to produce compound fertilizer,ect.
C: Ammonium sulphate crystal ( fertilizer )
Appearance: white or grey crytal; particle size: 0.5mm-1.0mm.
The N content : 20.8 % min; Water content : 1% max
Usage: Can be used as fertilizer or to produce compound fertilizer,ect.
Specification: (GB535-1995)
Index Name |
Technical Grade |
Agri. Grade1 |
Agri.Grade2 |
Nitrogen(N)(dry basis) ≥ |
21.0 |
21.0 |
20.5 |
Water content(H2O) ≤ |
0.2 |
0.3 |
1.0 |
Free acid(H2SO4) ≤ |
0.03 |
0.05 |
0.20 |
Iron(Fe) ≤ |
0.007 |
- |
- |
Arsenic(As) ≤ |
0.00005 |
- |
- |
Heavy metal(Pb) ≤ |
0.005 |
- |
- |
Water Insolubles≤ |
0.01 |
- |
- |
Note: When ammonium sulphate is used in agriculture,it is not necessary to check the content of Fe,As,heavy metal and water insolubles.
Use:Ammonium sulphate is used in a variety of applications including fertilizer, cattle feed,cellulose insulation, leather tanning, herbicides etc.
Packing:25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.