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1. Chemical Name: Potassium sulfate
2. Molecular Formula: K2SO4
3. Molecular Weight: 174.26
4. CAS: 7778-80-5
5. Character: It is colorless or white crystalline powder. It has bitter taste. Relative density is 2.662. Melting point is 1069℃. Easily soluble in water, insoluble in ethanol and acetone, PH is 5.5-8.5 in 5% aqueous solution.
| Specification | FCC V |
| Content (K2SO4) ≥% | 99.0-100.5% |
| Lead ≤% | 0.0002% |
| selenium ≤% | 0.0005% |
| 5.5-8.5 pH（50g/L） | 5.5-8.5 |
It is used as seasoning and salt substitute.
Used as cleaning agent in glass industry.
Used as bulk laxatives in medical industry.
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 form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.
