Cannabaceae

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Dichloroiodomethane
Names
IUPAC name
dichloro(iodo)methane
Other names
DCIM, Chloriodoform (archaic),[1] IDCM, iododichloromethane
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/CHCl2I/c2-1(3)4/h1H
    Key: HNLZCOJXSLDGKD-UHFFFAOYSA-N
  • ClC(I)Cl
Properties
CHCl2I
Molar mass 210.82 g·mol−1
Appearance pale yellow liquid
Boiling point 131°C[2]
very slighlty
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Dichloroiodomethane (DCIM) is a trihalomethane with the chemical formula CHCl2I. It is a heavy, nonflammable, transparent pale yellow liquid with a chloroform-like odour.[1] DCIM is soluble in organic solvents like acetone, diethyl ether, ethanol and benzene.[2] It decomposes in contact with air and light. It has been detected in disinfected tap water and is considered to be a contaminant.[3] DCIM has an estimated half-life of 275 years in water.[4]

It was discovered by Georges-Simon Serullas in 1824, two years after his discovery of iodoform.[1]

Synthesis

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Many synthesis routes are known. Reaction of chloroform with sodium iodide[5] or iodoethane[6] gives dichloroiodomethane. Older methods include distillation of iodoform with phosphorus pentachloride or mercuric chloride.[1]

References

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  1. ^ a b c d Leopold Gmelin, Henry Watts, Chloriodoform in Hand-book of Chemistry (1848), pages 337–339
  2. ^ a b D213 Dichloroiodomethane, The Dictionary of substances and their effects, p. 324
  3. ^ Emma Goslan, Kenneth Clive Thompson, Simon Gillespie, Disinfection By-products in Drinking Water (2015), Royal Society of Chemistry
  4. ^ Liu, David H. F; Liptak, Bela G, Groundwater and surface water pollution, page 57
  5. ^ Determination of Dichloroiodomethane in Water (1996)
  6. ^ Nariyoshi Kawabata, Masami Tanimoto, Shigehiro Fujiwara. Synthesis of monohalocyclopropane derivatives from olefins by the reaction with trihalomethanes and copper, Tetrahedron, 1979
source: Https://en.wikipedia.org/wiki/Dichloroiodomethane

One thought on “Cannabaceae”

  1. Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
    View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction

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