Pentachlorocyclopropane

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Pentachlorocyclopropane
Pentachlorocyclopropane.svg
Names
IUPAC name
1,1,2,2,3-Pentachlorocyclopropane
Identifiers
3D model (JSmol)
PubChem CID
  • C1(C(C1(Cl)Cl)(Cl)Cl)Cl
Properties
C3HCl5
Molar mass 214.29 g·mol−1
AppearanceColourless liquid
Odor Mild, minty [1]
Density 1.668 g/cm3 [2]
Boiling point 56 °C / 7 mmHg [1]
1.51 [2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Pentachlorocyclopropane is a chlorinated cyclopropane with the chemical formula C3HCl5. It is a colourless liquid with a faint minty odour. [1] It is thermally unstable above 100 °C; decomposition gives 1,1,3,3,3-pentachloropropene by isomerisation. [3] Pentachlorocyclopropane can be obtained by the addition of dichlorocarbene into trichloroethylene in presence of a base. [4] Pentachlorocyclopropane itself gives tetrachlorocyclopropene when reacted with a base such as potassium hydroxide by means of dehydrohalogenation. [5]

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References

  1. 1 2 3 Pentachlorocyclopropane Stephen W. Tobey and Robert West The University of Wisconsin (1965)
  2. 1 2 Yaws, C. L. (2015). The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals: Physical Properties for More Than 54,000 Organic and Inorganic Chemical Compounds, Coverage for C1 to C100 Organics and Ac to Zr Inorganics.
  3. ↑ Organic Reaction Mechanisms 1966: An Annual Survey Covering the Literature Dated December 1965 Through November 1966. Page 228
  4. ↑ Strain and Its Implications in Organic Chemistry: Organic Stress and Reactivity. (2012). Page 384
  5. ↑ Advances in Alicyclic Chemistry. (2013).  Elsevier Science. page 57
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