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1. Chemical Name: Ammonium sulfate
2. Molecular Formula: (NH4)2SO4
3. Molecular Weight: 132.14
4. CAS: 7783-20-2
5. Character: It is colorless or white crystalline or granule, no smell. Soluble in water 0℃ 41.22g, 25℃ 43.47g,100℃ 50.42g. insoluble in ethanol and acetone. PH is 5.5. Relative density is 1.77.
| Specifications | GB29206-2012 | FCC V |
| Content ((NH4) 2SO4) ≥w/% | 99.0-100.5% | 99.0-100.5% |
| Ignition Residue ≤w/% | 0.25% | 0.25% |
| Arsenic (as As) ≤(mg/kg) | 3mg/kg | —— |
| Se ≤(mg/kg) | 30mg/kg | 30mg/kg |
| Pb ≤(mg/kg) | 3mg/kg | 3mg/kg |
It is widely used in water softener and yeast food.
It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
It should be stored in a dry and ventilative warehouse, kept away from water and moisture during transport. Unload with care as to avoid being damaged. Furthermore, it must be stored separately from poisonous substances.
