Title: Tantalum Pentachloride
CAS Registry Number: 7721-01-9
CAS Name: Tantalum chloride (TaCl5)
Molecular Formula: Cl5Ta
Molecular Weight: 358.21
Percent Composition: Cl 49.49%, Ta 50.51%
Line Formula: TaCl5
Literature References: Prepn: Rolsten, J. Am. Chem. Soc. 80, 2952 (1958). Review of tantalum halides: Fairbrother in Halogen Chemistry vol. 3, V. Gutmann, Ed. (Academic Press, New York, 1967) pp 123-178. Acute toxicity: K. W. Cochran et al., Arch. Ind. Hyg. Occup. Med. 1, 637 (1950).
Properties: White or light yellow, cryst powder; monoclinic; dec in moist air. d 3.68; mp 216.5-220°. Begins to volatilize at 144°, bp 239.3°. Dec by water; sol in abs alcohol. LD50 in rats (mg/kg): 75 i.p.; 1900 orally (Cochran).
Melting point: mp 216.5-220°
Boiling point: bp 239.3°
Density: d 3.68
Toxicity data: LD50 in rats (mg/kg): 75 i.p.; 1900 orally (Cochran) |