Hydrogen fluoride

FHCAS 7664-39-320.01 g/mol

HF

Properties

Molecular formula
FH
Molar mass
20.01 g/mol
Exact mass
20.0062 Da
Density
0.991 g/mL (at 19.54 °C)
Melting point
−83.36 °C
Boiling point
20 °C
pKa
3.19
Water solubility
miscible
logP
0.15Crippen estimate
Polar surface area
0.0 Ų
H-bond donors / acceptors
0 / 0
Rotatable bonds
0

Hazards

Danger
Corrosive (GHS05)Acute Toxic (GHS06)

Harmonised EU classification (CLP Annex VI, index 009-002-00-6), via PubChem.

Precautionary statements

P260, P262, P264, P270, P271, P280, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P330, P361+P364, P363, P403+P233, P405, P501

Identifiers

CAS number
7664-39-3
SMILES
F
InChIKey
KRHYYFGTRYWZRS-UHFFFAOYSA-N
InChI
InChI=1S/FH/h1H

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Type any one amount. The others follow from the molar mass and density.

Names and synonyms

17 names · show all
  • Vita ceramic etch
  • Hydrofluoric acid
  • Anhydrous hydrofluoric acid
  • Fluorhydric acid
  • Hydrofluoric acid gas
  • Hydrogen fluoride (HF)
  • Antisal 2b
  • Fluorine monohydride
  • Hydrogen monofluoride
  • Fluorine hydride (FH)
  • Fluoric acid
  • Alsurf 45
  • G-C Hydrofluoride gel
  • Urine luck 6.3
  • Ultradent porcelain etch
  • Porcelain conditioner
  • SA-X

Work with Hydrogen fluoride

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere