CAS number： 7447-40-7
Molecular formula： KCl
molecular weight： 74.5513
Chemical structure：
| Product name | Potassium chloride | |
| Shelf Life | 3 Years | |
| Technical index | Standards | Test results |
| Characters | white crystalline powder, freely soluble in water, practically insoluble in ethanol | To pass test |
| Identification | It gives the reactions of chlorides and potassium. | To pass test |
| Appearance of solution | Clear and colourless. | To pass test |
| Acidity or Alkalinity | Comply with the standard | To pass test |
| Iodide and Bromide | Comply with the standard | To pass test |
| Aluminum | ≤1μg /g | <1μg /g |
| Sodium | ≤0.1% | <0.1% |
| Calcium and Magnesium | ≤0.01% | <0.01% |
| Sulphates | ≤0.01% | <0.01% |
| Heavy metals | ≤0.001% | <0.001% |
| Iron | ≤0.001% | ≤0.001% |
| Loss on drying | ≤1.0%(at105℃for2h) | <1.0% |
| Organic volatile impurities | Comply with the standard | To pass test |
| Assay | 99.0%～100.5% | 99.7% |
| Conclusion | Comply with USP30 |
