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Gallium trifluoride

Properties, data and information sources.

 

Contents

Gallium trifluoride is an inorganic chemical compound from the group of fluorides - in detail, it is the gallium(III) salt of hydrofluoric acid (hydrogen fluoride).

 

Names and Identifiers

Name
Gallium trifluoride
Formula
F3Ga
GaF3
Molar mass
126.718 (g/mol)
CAS registry number
7783-51-9
EC number EINECS
232-004-5
InChI Key
WXXZSFJVAMRMPV-UHFFFAOYSA-K

Systematic name
Trifluorogallane

Other names, synonyms
Gallium(III) fluoride; Gallium fluoride

 

Chemical formulas

Molecular formula and structural formula of Gallium trifluoride:

 

F3Ga or GaF3

Mr = 126.7182 g/mol

Trifluorogallane
SMILES: F[Ga](F)F

 

Data and Properties

Pure gallium trifluoride exists as a white solid.

solubility:
- Practically insoluble in water (0,024 g/L at 20 °C).
melting point
800 °C
boiling point
1000 °C
sublimation temp.
950 °C
density
4.47 g cm-3 at 20 °C
standard enthalpy of formation
-1163 kJ/mol [s. 25 °C]
crystal structure:
Rhombohedral crystal structure, hR24, space group R3c No. 167, lattice parameters a = 501.2 pm, c = 1299 pm.

 

Spectroscopic data:

SpectraBase (NMR, IR, FTIR, Raman, UV-Vis, MS ... spectra)
9DODxx6NDC

 

Percentage and isotopic composition:

Mass-related elemental composition and isotope proportions of the compound Gallium trifluoride - F3Ga - calculated based on molecular mass.

Symbol
Element ENumber x
of atoms ExData of the element
and isotopes *Percentages
of isotopesPercentage of
Ex in formula massF
Fluorine3 Ar = 18.998403163 u
ΣAr = 56.995209489 u
19F: 18.9984 u [100 %] 
19F: 44.97792 %
44.9779 %Ga
Gallium1ΣAr = 69.723 u
69Ga: 68.92557 u [60,108 %]
71Ga: 70.9247 u [39,892 %] 
69Ga: 33.07267 %
71Ga: 21.94941 %
55.0221 %

*) The third column lists the atomic masses or isotope masses of the elements involved and - in square brackets - the natural isotope composition.

 

More calculated data

The molar mass is M = 126.718209489 grams per mole.

The amount of substance in one kilogram of the substance is n = 7.892 mol.

The amount of substance in one gram of the substance is n = 0.008 mol.

Monoisotopic mass: 125.920782989 Da - related to 19F369Ga.

 

Hazard warnings according to GHS

(General information without guarantee of accuracy and completeness! The information does not replace the chemical safety data sheet or a risk assessment, but rather provides a general overview of the risk posed by the hazardous substance.

Signal word: Warning

GHS hazard statements (H phrases):


H302
Harmful if swallowed

H312
Harmful in contact with skin

H332
Harmful if inhaled

Labeling in the EU: See ECHA Substance Infocard 100.029.094.

 

External Sources

PubChem:ID 82211ChemSpider:ID 74191UNII of the FDA (USA):Unique Ingredient Identifier 3EG50JLZ49EPA CompTox Chemicals Dashboard:DTXSID6064824

 

Manufacturers and Sources of Supply

The table below lists producers and suppliers of Gallium trifluoride as a commercial chemical for laboratories, research, industry and production with the corresponding contact details.

 

More Chemistry

isotopes

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Last update: 2026-01-20

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