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dichlorobenzene

[dahy-klawr-uh-ben-zeen, -ben-zeen, -klohr-] /daɪˌklɔr əˈbɛn zin, -bɛnˈzin, -ˌkloʊr-/
noun, Chemistry
1.
any of three isomers consisting of benzene in which two of the hydrogen atoms are replaced by chlorine atoms: ortho-, meta-, and paradichlorobenzene.
Origin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for dichlorobenzene
  • dichlorobenzene, whether or not known skin contact has occurred.
  • Usually the commercial type mothballs are made of either naphthalene or para dichlorobenzene.
Encyclopedia Article for dichlorobenzene

any of three isomeric organohalogen compounds known as 1,2-, 1,3-, or 1,4-dichlorobenzene (also called ortho-, meta-, and para-dichlorobenzene, respectively). Both 1,2- and 1,3-dichlorobenzene are liquids. 1,2-Dichlorobenzene is used as a solvent, as an insecticide, and in the manufacture of other chemicals, particularly dyestuff intermediates. 1,4-Dichlorobenzene is a crystalline, volatile solid with a strong camphorlike odour and is widely used as a moth repellent. All three compounds are colourless, denser than water, and insoluble in water.

Learn more about dichlorobenzene with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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