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1,1,1,2-Tetrachloroethane

Chemical compound

Chemical compound

1,1,1,2-Tetrachloroethane is a chlorinated hydrocarbon. It is a colorless liquid with a sweet chloroform-like odor. It is used as a solvent and in the production of wood stains and varnishes. It is an isomer of 1,1,2,2-tetrachloroethane.

It was likely discovered by Auguste Laurent along with the 1,1,2,2-tetrachloroethane isomer and trichloroethylene in 1836.The so-called Perchloride of Formyl, Gmelin, L. (translated in 1855). Hand-book of Chemistry: Organic chemistry. UK: Cavendish Society. pages 199-200 1,1,1,2-Tetrachloroethane was named "perchloride of formyl" in Leopold Gmelin's Hand-book of Chemistry,

Production

1,1,1,2-Tetrachloroethane can be obtained by a two-step addition reaction of acetylene with chlorine (via dichloroethylene), but this mainly produces 1,1,2,2-tetrachloroethane.

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It can be obtained directly by chlorination of 1,1,2-trichloroethane:

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Safety

IARC has classified 1,1,1,2-tetrachloroethane as a possible carcinogen for humans in 2014.

References

References

  1. "National Pollutant Inventory Substance Profile".
  2. {{PGCH. 0597
  3. ''Essai sur l'Action du Chlore sur la Liqueur des Hollandais et sur quelques Ethers'' in Annales de Chimie, LXIII. (1836) [https://books.google.com/books?id=D1hOAAAAcAAJ&dq=%22essai%20sur%20l%27action%20du%20chlore%22&pg=PA379 page 379]
  4. the same name was also used for [[chloroform]].[https://archive.org/details/americanjour373131865phil/page/289/mode/1up?q=%22perchloride+of+formyl%22 On Chloroform and Tests for Its Purity] (1865) by D. R. Brown in American Journal of Pharmacy, vol. 37, page 289
  5. Lawrance Waddams: ''The Petroleum chemicals Industry'', S. 175.
  6. [http://monographs.iarc.fr/ENG/Monographs/vol106/mono106-006.pdf IARC Monograph 106 – 1,1,1,2-Tetrachloroethane, 2014]
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chloroalkanes halogenated-solvents iarc-group-2b-carcinogens sweet-smelling-chemicals
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