Hydrofluoric acid

September 9th, 2008 by

Hydrofluoric acid

Other names
fluoric acid; fluorhydric acid
Identifiers
CAS number
RTECS number
MW7875000
Properties
Molecular formula
HF
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)
3.15 (in water)
Hazards
MSDS
External MSDS
MSDS
duPont MSDS
Main hazards
Very Toxic, Corrosive.
NFPA 704

0
4
1
COR
R-phrases
R26/27/28, R35
S-phrases
(S1/2), S7/9, S26, S36/37, S45
Flash point
nonflammable
Related compounds
Other anions
Hydrochloric acid
Hydrobromic acid
Hydroiodic acid
Related compounds
Hydrogen fluoride
fluorosilicic acid
Supplementary data page
Structure and
properties
n, εr, [...]

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