Titanium(III) fluoride

Last updated
Titanium(III) fluoride
Titanium(III) fluoride Aluminium-trifluoride-3D-polyhedra.png
Titanium(III) fluoride
FeF3structure.jpg
Names
IUPAC name
Titanium(III) fluoride
Other names
  • Titanium trifluoride
  • Titanous fluoride
  • Trifluorotitanium
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.379 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 236-732-4
PubChem CID
  • InChI=1S/3FH.Ti/h3*1H;/q;;;+3/p-3 Yes check.svgY
    Key: NLPMQGKZYAYAFE-UHFFFAOYSA-K Yes check.svgY
  • InChI=1/3FH.Ti/h3*1H;/q;;;+3/p-3
    Key: NLPMQGKZYAYAFE-DFZHHIFOAU
  • F[Ti](F)F
Properties
TiF3
Molar mass 104.862 g·mol−1
Appearanceviolet to purple-red powder
Density 2.98 g/cm3
Melting point 1,200 °C (2,190 °F; 1,470 K)
Boiling point 1,400 °C (2,550 °F; 1,670 K)
soluble
1.3×10−9 cm3/mol
Structure
Rhombohedral, hR24
R-3c, No. 167
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Corrosive
GHS labelling: [1]
GHS-pictogram-acid.svg
Danger
H314
P260, P280, P303+P361+P353, P304+P340+P310, P305+P351+P338, P363
NFPA 704 (fire diamond)
[2]
NFPA 704.svgHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazard W: Reacts with water in an unusual or dangerous manner. E.g. sodium, sulfuric acid
4
0
0
W
Related compounds
Other anions
Related compounds
 Titanium(IV) fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Titanium(III) fluoride is the inorganic compound with the formula Ti F 3. A violet, paramagnetic solid, it is one of two titanium fluorides, the other being titanium tetrafluoride. [3] It adopts a defect perovskite-like structure such that each Ti center has octahedral coordination geometry, and each fluoride ligand is doubly bridging. [4]

Titanium(III) fluoride can be prepared by dissolution of titanium metal in hydrofluoric acid. It oxidizes to Titanium dioxide (TiO2) above 100 °C (212 °F) in air. [3]

References

  1. ↑ Sigma-Aldrich Co., Titanium (III) fluoride.
  2. ↑ "SDS - Titanium (III) fluoride". thermofisher.com. ThermoFisher Scientific. 26 March 2024. p. 3. Retrieved 25 October 2025.
  3. 1 2 Meshri, Dayal T. (2000). "Fluorine Compounds, Inorganic, Titanium". Kirk-Othmer Encyclopedia of Chemical Technology. doi:10.1002/0471238961.2009200113051908.a01. ISBN   978-0-471-48494-3.
  4. ↑ H. Sowa; H. Ahsbahs (1998). "Pressure-Induced Octahedron Strain in VF3-Type Compounds". Acta Crystallogr. B54 (5): 578–584. Bibcode:1998AcCrB..54..578S. doi:10.1107/S0108768198001207.
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