Potassium chloride 7447-40-7

Chemical formula is KCl, is a colorless slender diamond or into a cubic crystal, or white crystal small powder, appearance like salt, odorless, salty. Often used in low sodium salt, mineral water additives. Potassium chloride is a commonly used electrolyte balance regulator in clinic, which has definite clinical effect and is widely used in clinical departments.

Density: 1.98 at 25 °C(lit.)

Melting point: 770 °C(lit.)

Boiling point: 1420 ° C

Flash: 1500 ° C

Refractive index: n20/D 1.334

Water solubility: 340 g/L (20 ° C)

Stability: stability. Incompatible with strong oxidants, strong acids. Moisture proof. Moisture absorption.

Storage condition: 2-8 ° C

Chemical properties

Basic nature with sodium chloride, potassium chloride can do the preparation of metal potassium industrial raw materials (with sodium metal under the condition of 850 ℃ high temperature displacement:), it is a reversible reaction, in terms of reversible reaction thermodynamic properties, because the boiling temperature at 774 ℃ potassium vapor overflow, is advantageous to the reaction direction moves to the right.)

Mainly used in inorganic industry, it is the basic raw material for making various potassium salt or alkali, such as potassium hydroxide, potassium sulfate, potassium nitrate, potassium chlorate, potassium chromate, etc. Used in the pharmaceutical industry as diuretics and potassium deficiency drugs. The dye industry is used to produce G salt, reactive dyes and so on. Agriculture is a potash fertilizer. Its quick fertilizer effect, direct application to farmland, can make the soil under the water rise, has the effect of drought resistance. However, it should not be applied to tobacco, sweet potato, beet and other crops. Similar in taste to sodium chloride (bitter), potassium chloride is also used as an additive in low sodium salt or mineral water. In addition, it is also used to manufacture flame suppressant for muzzle or muzzle, heat treatment agent for steel and for photography. It can also be used in medicine, scientific applications, food processing, and sodium chloride can be partially replaced with potassium chloride in table salt to reduce the likelihood of high blood pressure.