Potassium Chloride
1.Chemical name: Potassium Chloride
2.M. F.: KCl
3.M. W.: 74.55
4.Physical properties: colorless thin diamond or cubic crystal or white crystalline powder, no smell, taste salty, soluble in water, soluble in glycerol, slightly soluble in ethanol; relative density 1.987, melting point 773 degrees.
5.Quality standard: (FCC-V, E508)
Name of index | FCC-V | E 508 | |
Description | Colorless, elongated, prismatic or cubital crystals or white granular powder, odorless. | ||
Content (on dry basis ) | ≥% | ≥99.0 ≥98.0when contains added substance(s) | 99.0 |
Solubility | -- | Freely soluble in water. Insoluble in ethanol | |
Identification | Pass test | Pass test | |
Acidity and Alkalinity | Pass test | Pass test | |
Heavy metals (as Pb) | ≤mg/kg | 5 | -- |
Iodide and/or Bromide | Pass test | Pass test | |
Loss on drying, | ≤% | 1.0 | 1.0(105 °C, 2hours) |
Sodium | Pass test | Negative | |
Arseni (As) | ≤ppm | -- | 3 |
Lead (Pb) | ≤ppm | -- | 2 |
Mercur (Hg) | ≤ppm | -- | 1 |
Cadmiu (Cd) | -- | 1 |









