1. Chemical Name : Potassium Hydroxide
2. Molecular Formula : KOH
3. Molecular Weight : 56.106
4. CAS : 1310-58-3
5. Einecs : 215-181-3
6. Character : It is white flake or colorless clear liquid. It is one of the strongest alkalis. Flake is able to react quickly with moisture and liberating heat.
7. Usage : It is widely used in pharmaceutical intermediates, various potassium salts, food additives.
8. Packing : It is packed with polyethylene bag as inner layer and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
9. Storage and Transport : It should be stored in a dry and ventilating warehouse, be cautious to keep away from moisture and hot, unloaded with care so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.
10. Parameters :
| Test item | GB 25575-2010 | FCC | |
| Assay(dry basis),w/% |
| 85.0 - 100.5 | |
| Carbonate ( as K2CO3), w/% | ≤ | 2.0 | 3.5 |
| Mercury ( Hg), ppm | ≤ | 0.1 | 0.1 |
| Arsenic (As), ppm | ≤ | 3 | --- |
| Heavy metals(as Pb),ppm | ≤ | 10 | 20 |
| Lead (Pb), ppm | ≤ | 5 | 10 |
| Clarity | ≤ | Passes test | --- |
| Insoluble Substances, w/% |
| --- | Passes test |