| Synonyms | Sylvine |
| Sylvite |
| Definition | |
| Chemical name | Potassium chloride |
| Einecs | 231-211-8 |
| Chemical formulae | KCl |
| Molecular weight | 74,56 |
| Assay | Content not less than 99 % on the dried basis |
| Description | Colourless, elongated, prismatic or cubital crystals or white granular powder. Odourless |
| Identification | |
A.Solubility | Freely soluble in water. Insoluble in ethanol |
B.Positive tests for potassium and for chloride | |
| Purity | |
| Loss on drying | Not more than 1 % (105 oC, 2 hours) |
| Sodium | Negative test |
| Arsenic | Not more than 3 mg/kg |
| Lead | Not more than 5 mg/kg |
| Mercury | Not more than 1 mg/kg |
| Cadmium | Not more than 1 mg/kg |
| Heavy metals (as Pb) | Not more than 10 mg/kg |