1,1,2-Trichloroethane
Title: 1,1,2-Trichloroethane
CAS Registry Number: 79-00-5
Additional Names: Vinyl trichloride
Molecular Formula: C2H3Cl3
Molecular Weight: 133.40
Percent Composition: C 18.01%, H 2.27%, Cl 79.73%
Line Formula: CH2ClCHCl2
Literature References: Prepd by catalytic chlorination of ethane or ethylene: Joseph, US 2752401 and Pye, US 2752402 (both 1956 to Dow); Reynolds, US 2783286 (1957 to Olin Mathieson). Toxicity data: H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969). Review of toxicology and human exposure: Toxicological Profile for 1,1,2-Trichloroethane (PB90-196411, 1989) 120 pp.
Properties: Nonflammable liquid; pleasant odor; d420 1.4416. mp -35°. bp 113-114°. nD20 1.4711. Insol in water. Misc with alcohol, ether, and many other organic liquids. LD50 orally in rats: 0.58 ml/kg (Smyth).
Melting point: mp -35°
Boiling point: bp 113-114°
Index of refraction: nD20 1.4711
Density: d420 1.4416
Toxicity data: LD50 orally in rats: 0.58 ml/kg (Smyth)
CAUTION: Potential symptoms of overexposure are irritation of nose and eyes; CNS depression; liver and kidney damage; dermatitis. Potential occupational carcinogen. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 314.
Use: Solvent for fats, waxes, natural resins, alkaloids.

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