Titanocene Dichloride
Title: Titanocene Dichloride
CAS Registry Number: 1271-19-8
CAS Name: Dichlorobis(h5-2,4-cyclopentadien-1-yl)titanium
Additional Names: dichlorodi-p-cyclopentadienyltitanium; biscyclopentadienyltitanium(IV) dichloride
Molecular Formula: C10H10Cl2Ti
Molecular Weight: 248.96
Percent Composition: C 48.24%, H 4.05%, Cl 28.48%, Ti 19.23%
Line Formula: Cp2TiCl2
Literature 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.
Melting point: mp 289 ± 2°
Density: d 1.60
Use: Catalyst; with aluminum alkyls as Ziegler-Natta polymerization catalyst.

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