Nomenclature
CAS number: 1271-19-8
Dichlorobis(η
5-2,4-cyclopentadien-1-yl)titanium; dichlorodi-π-cyclopentadienyltitanium; biscyclopentadienyltitanium(IV) dichloride.
C
10H
10Cl
2Ti; mol wt 248.96.
C 48.24%, H 4.05%, Cl 28.48%, Ti 19.23%.
Cp
2TiCl
2.
Description and references
Prepn: Wilkinson, Birmingham, J. Am. Chem. Soc. 76, 4281 (1954).
Structure: Clearfield et al., Can. J. Chem. 53, 1622 (1975).
Properties
Bright red acicular crystals from toluene. mp 289 ± 2°. d 1.60. Moderately sol
in toluene, chloroform, alcohol, other hydroxylic solvents; sparingly
sol in water, petr ether, benzene, ether, carbon disulfide, carbon
tetrachloride.Use
Catalyst; with aluminum alkyls as Ziegler-Natta
polymerization catalyst.