9637. 1,1,2-Trichloroethane

Nomenclature

CAS number: 79-00-5
Vinyl trichloride.
C2H3Cl3; mol wt 133.40.
C 18.01%, H 2.27%, Cl 79.73%.
CH2ClCHCl2.

Description and 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).

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.