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Potassium Fluoride (KF)-Powder

Potassium Fluoride (KF)-Powder

CAS: 7789-23-3
Molecular Formula: KF
Purity: 99.95%
Products Code: TR190900UN
Specification Model: - 60 mesh
Hazardous Class: Class 6.1
EINECS No.: 232-151-5
UN No.: UN1812
Package Class: PG III
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Potassium Fluoride (KF)-Powder introduce:


Potassium fluoride is the chemical compound with the formula KF. After hydrogen fluoride, KF is the primary source of the fluoride ion for applications in manufacturing and in chemistry. It is an alkali halide and occurs naturally as the rare mineral carobbiite. Solutions of KF will etch glass due to the formation of soluble fluorosilicates, although HF is more effective.

Chemical formula:KF

Molar mass:58.0967 g/mol (anhydrous)

                       94.1273 g/mol (dihydrate)


Density:2.48 g/cm3

Melting point:858 °C (1,576 °F; 1,131 K) (anhydrous)

                          41 °C (dihydrate)

                          19.3 °C (trihydrate)

Boiling point:1,502 °C (2,736 °F; 1,775 K)

Solubility in water:anhydrous:  92 g/100 mL (18 °C)

                                                    102 g/100 mL (25 °C)

                                 dihydrate:   349.3 g/100 mL (18 °C)

Solubility:soluble in HF

                  insoluble in alcohol

Magnetic susceptibility (χ):−23.6·10−6 cm3/mol

Crystal structure:cubic


1. Used for glass carving, food anticorrosion and electroplating;

2. It can be used as welding flux, pesticide, catalyst, absorbent (absorbing HF and moisture), etc.;

3. Used as analytical reagent and complex forming agent.It is also the raw material for producing potassium hydrogen fluoride;

4. It can be used as fluoridation agent of organic compounds.
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