Nomenclature
CAS number: 78-87-5
1,2-Dichloropropane.
C
3H
6Cl
2; mol wt 112.99.
C 31.89%, H 5.35%, Cl 62.75%.
Description and references
Prepd from propyl chloride and Sb2Cl5. Toxicity data: H. F.
Smyth et al., Am. Ind. Hyg. Assoc.
J. 30, 470 (1969). Review of toxicology
and human exposure: Toxicological Profile
for 1,2-Dichloropropane (PB90-182122, 1989) 131 pp.
Properties
Flammable, mobile
liq. Odor of chloroform. d2525 1.159; bp 95-96°. Solidifies below -70°. nD20 1.4388. Flash point (ASTM open cup) 21°C (70°F). Despite the
low flash pt it does not catch fire readily in industrial applications.
Fire pt 38°. Slightly sol in water; miscible with organic solvents.
LD50 orally in
rats: 1.19 ml/kg (Smyth).Caution
Potential symptoms of overexposure
are eye, skin and respiratory system irritation; drowsiness, lightheadedness;
liver and kidney damage. Potential occupational carcinogen. See NIOSH Pocket Guide to Chemical
Hazards (DHHS/NIOSH 97-140, 1997) p 268.Use
Solvent for oils, fats, resins, waxes, rubber; in
ion exchange manuf; in photographic film prodn; paper coating; petroleum
catalyst regeneration. Has been used as a soil fumigant.