Hydrofluoric acid

Other names:   fluoric acid; fluorhydric acid

Properties

CAS number

7664-39-3 

ChemSpider

14214 Y

UNII

RGL5YE86CZ Y

RTECS number

MW7875000

Molecular formula

HF (aq)

Molar mass

not applicable(see hydrogen fluoride)

Appearance

Colorless solution

Density

1.15 g/mL (for 48% soln.)

Melting point

not applicable(see hydrogen fluoride)

Boiling point

not applicable(see hydrogen fluoride)

Solubility in water

Miscible.

Acidity (pKa)

3.17 [1]