Halogen Derivatives

Rule C-108

108.1 - The following trivial names are retained:

CHF3 Fluoroform
CHCl3 Chloroform
CHBr3 Bromoform
CHI3 Iodoform
COCl2 Phosgene
(alternative to carbonyl dichloride)
CSCl2 Thiophosgene
(alternative to thiocarbonyl dichloride)
:CCl2 Dichlorocarbene
(alternative to dichloromethylene; see Rule C-81.1)

108.2 - Use of customary inorganic nomenclature leads to names such as the following:

COCl2 Carbonyl dichloride
(alternative to phosgene) (also other carbonyl and thiocarbonyl halides)
CCl4 Carbon tetrachloride
(also other carbon tetrahalides)

See Recommendations'93 R-5.3.1

This HTML reproduction of Sections A, B and C of IUPAC "Blue Book" is as close as possible to the published version [see Nomenclature of Organic Chemistry, Sections A, B, C, D, E, F, and H, Pergamon Press, Oxford, 1979. Copyright 1979 IUPAC.] If you need to cite these rules please quote this reference as their source.

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