Title: Gallium Chloride
CAS Registry Number: 13450-90-3
Additional Names: Gallium trichloride; trichlorogallium
Molecular Formula: Cl3Ga
Molecular Weight: 176.08
Percent Composition: Cl 60.40%, Ga 39.60%
Line Formula: GaCl3
Literature References: Occurs as a bridged dimer, Ga2Cl6. Prepn: W. C. Johnson, C. A. Haskew, Inorg. Synth. 1, 26 (1939); R. A. Kovar, ibid. 17, 167 (1977). Vapor phase studies: A. W. Laubengayer, F. B. Schirmer, J. Am. Chem. Soc. 62, 1578 (1940). Crystal structure: S. C. Wallwork, I. J. Worrall, J. Chem. Soc. 1965, 1816. Use in synthesis of organogallium compounds: R. A. Kovar et al., Inorg. Chem. 14, 2809 (1975). Review of applications in organic synthesis: R. M. Kellogg, Chemtracts Org. Chem. 16, 79-92 (2003); R. Amemiya, M. Yamaguchi, Eur. J. Org. Chem. 2005, 5145-5150.
Properties: Hygroscopic solid, mp 78-79°. bp760 200.0°. d 2.47. Very sol in water; sol in hydrocarbons, ether-type solvents. Reacts with air.
Melting point: mp 78-79°
Boiling point: bp760 200.0°
Density: d 2.47
Use: Lewis acid catalyst in organic synthesis; reagent for generating organogallium compounds, metallic gallium, and gallium semiconductors. |