Product Notes

Along with sodium chloride and lithium chloride, potassium chloride is used as a flux for the gas welding of aluminium.

 

Other names

Sylvite common name
Muriate of potash Potassium Chloride

Identifiers

CAS number

[7447-40-7]

RTECS number

TS8050000

ChemSpiderID

4707

Properties

Molecular formula

KCl

Molar mass

74.55 g/mol

Appearance

white crystalline solid

Density

1.987 g/cm3

Melting point

775 °C

Boiling point

ca. 1500 °C

Solubilityin water

28.1 g/100 ml (0 °C)
34.0 g/100 ml (20 °C)
56.7 g/100 ml (100 °C);

Hazards

MSDS

ICSC 1450

EU Index

Not listed

Flash point

Non-flammable

LD50

2600 mg/kg (oral/rat), 142 mg/kg (intravenous/rat)

Potassium chloride is rated for B and C fires as Fire Extinguisher
 

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