Titanium Tetraisopropoxide
Title: Titanium Tetraisopropoxide
CAS Registry Number: 546-68-9
Additional Names: Isopropyl titanate(IV); Titanium Isopropylate
Molecular Formula: C12H28O4Ti
Molecular Weight: 284.22
Percent Composition: C 50.71%, H 9.93%, O 22.52%, Ti 16.84%
Line Formula: Ti[OCH(CH3)2]4
Literature References: Mild Lewis acid catalyst. Prepn: F. Bischoff, H. Adkins, J. Am. Chem. Soc. 46, 256 (1924). Vibrational spectra: P. D. Moran et al., Inorg. Chem. 37, 2741 (1998). Kinetic behavior in asymmetric epoxidation: S. S. Woodard et al., J. Am. Chem. Soc. 113, 106 (1991). Kinetics in prepn of titanium dioxide, q.v., thin films: V. Gourinchas-Courtecuisse et al., High Press. Chem. Eng. 1996, 133; G. A. Battiston et al., Metalurgija 8, 183 (2002); of sol-gel process: A. Soloviev et al., J. Mater. Sci. 38, 3315 (2003). Use as complexing agent in sol-gel process: B. Wang et al., Polym. Commun. 32, 400 (1991); H. Arce et al., Rev. Soc. Quim. Mex. 47, 73 (2003). Review as reagent in stereoselective synthesis: R. Mahrwald, J. Prakt. Chem. 341, 191-194 (1999); as catalyst: F. Lake, C. Moberg, Russ. J. Org. Chem. 39, 436-452 (2003). Brief review in a variety of organic syntheses: O. López, Synlett 2003, 2261-2262.
Properties: Flammable, moisture-sensitive liquid. mp 18-20°. bp740 230°. Sol in a wide range of solvents including ethers, organohalides, alcohols and benzenes.
Melting point: mp 18-20°
Boiling point: bp740 230°
Use: Catalyst especially for asymmetric induction in organic syntheses; in preparation of nanosized TiO2. Complexing agent in sol-gel process.

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