9482. Titanocene Dichloride

Nomenclature

CAS number: 1271-19-8
Dichlorobis(η5-2,4-cyclopentadien-1-yl)titanium; dichlorodi-π-cyclopentadienyltitanium; biscyclopentadienyltitanium(IV) dichloride.
C10H10Cl2Ti; mol wt 248.96.
C 48.24%, H 4.05%, Cl 28.48%, Ti 19.23%.
Cp2TiCl2.

Description and references

Prepn: Wilkinson, Birmingham, J. Am. Chem. Soc. 76, 4281 (1954). Structure: Clearfield et al., Can. J. Chem. 53, 1622 (1975).

Chemical structure

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.