2121. Chlorobenzene

Nomenclature

CAS number: 108-90-7
Monochlorobenzene; benzene chloride.
C6H5Cl; mol wt 112.56.
C 64.02%, H 4.48%, Cl 31.50%.

Description and references

Produced by the chlorination of benzene in the presence of a catalyst. Review of manuf, properties, and use: Faith, Keyes & Clark's Industrial Chemicals, F. A. Lowenheim, M. K. Moran, Eds. (Wiley-Interscience, New York, 4th ed., 1975) pp 258-265. Review of toxicology and human exposure: Toxicological Profile for Chlorobenzene (PB91-180505, 1990) 100 pp.

Chemical structure

Properties

Colorless, very refractive liquid; faint, not unpleasant odor. d420 1.107. bp 131-132°. Solidif -55°. mp -45°. Flash pt 28°C. nD20 1.5248. Flammable. Insol in water. Freely sol in alcohol, benzene, chloroform, ether.

Caution

Potential symptoms of overexposure are irritation of skin, eyes and nose; drowsiness, incoordination; CNS depression. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 62.

Use

Manuf phenol, aniline, DDT; organic solvent for paints; heat transfer medium.