|Jmol-3D images||Image 1|
|Molar mass||126.718 g/mol|
|Melting point||800 °C|
|Solubility in water||0.0002 g/100 mL|
|Crystal structure||Rhombohedral, hR24|
|Space group||R-3c, No. 167|
|EU classification||not listed|
| (what is: / ?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Gallium(III) fluoride (GaF3) is a chemical compound. It is a white solid that melts under pressure above 1000°C but sublimes around 950°C. It has the FeF3 structure where the gallium atoms are 6-coordinate. GaF3 can be prepared by reacting F2 or HF with Ga2O3 or by thermal decomposition of (NH4)3GaF6. GaF3 is virtually insoluble in water. Solutions of GaF3 in HF can be evaporated to form the trihydrate, GaF3·3H2O, which on heating gives a hydrated form of GaF2(OH). Gallium(III) fluoride reacts with mineral acids to form hydrofluoric acid.
- Barrière, A.S.; Couturier, G.; Gevers, G.; Guégan, H.; Seguelond, T.; Thabti, A.; Bertault, D. (1989). "Preparation and characterization of gallium(III) fluoride thin films". Thin Solid Films 173 (2): 243. doi:10.1016/0040-6090(89)90140-5.
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