Chinese name: Potassium chloride
English name: Potassium chloride
CAS: 7447-40-7
EINECS number: 231-211-8
Molecular formula: ClK
MDL number: MFCD00163147
Molecular weight: 74.55
Appearance: Colorless cubic crystal or white crystal. Soluble in water, slightly soluble in glycerol, slightly soluble in ethanol, insoluble in concentrated hydrochloric acid, acetone.
Solubility: easily soluble in water, slightly soluble in glycerol, slightly soluble in ethanol, insoluble in concentrated hydrochloric acid, acetone.
Melting point: 770 °C(lit.)
Boiling point: 1420°C
Density: 1.98 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.334
Flash point: 1500°C
Storage conditions: 2-8°C
Solubility: H2O: soluble
Form: random crystals
Specific gravity: 1.984
Color: White
PH value: 5.5-8.0 (20℃, 50mg/mL in H2O)
Odor: Odorless
Acid-base indicator color change ph range: 7
Water solubility: 340 g/L (20 ºC)
Sensitivity: hygroscopicity
Maximum wavelength (λmax) : λ: 260 nm Amax: 0.02
λ: 280 nm Amax: 0.01
Merck: 14,7621
Sublimation point: 1500 ºC
BRN: 1711999
Dielectric constant: 4.6 (Ambient)
BCS Class: 1
Stability: Stable. Incompatible with strong oxidants and acids. Keep away moisture. Hygroscopicity.
InChIKey: WCUXLLCKKVVCTQ-UHFFFAOYSA-M
use
It is also used in medicine, metal heat treatment, photography and metal magnesium as an electrolyte supplement, for the treatment of hypokalemia and other nutritional supplements, gelling agents, salt substitutes, yeast food