{{Chembox <!-- Images --> | ImageFile = Pentachlorocyclopropane.svg | ImageSize = 150px | ImageAlt = <!-- Names --> | IUPACName = 1,1,2,2,3-Pentachlorocyclopropane | OtherNames = <!-- Sections --> | Section1 = {{Chembox Identifiers | CASNo = 6262-51-7 | CASNo_Ref = {{Cascite|correct|CAS}} | ChemSpiderID = 21214 | EC_number = 613-064-5 | PubChem = 22631 | UNII = V4TJ9AL9RF | StdInChI=1S/C3HCl5/c4-1-2(5,6)3(1,7)8/h1H | StdInChIKey = IACJMSLMMMSESC-UHFFFAOYSA-N | SMILES = C1(C(C1(Cl)Cl)(Cl)Cl)Cl }} | Section2 = {{Chembox Properties | C=3 | H=1 | Cl=5 | Appearance = Colourless liquid | Odor = Mild, minty<ref name=tobey/> | Density = 1.668 g/cm<sup>3</sup><ref name=yaws>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.</ref> | MeltingPt = | BoilingPt = 56 °C / 7 mmHg<ref name=tobey/> | Solubility = | RefractIndex = 1.51<ref name=yaws/> }} | Section3 = {{Chembox Hazards | MainHazards = | FlashPt = | AutoignitionPt = }} }} '''Pentachlorocyclopropane''' is a chlorinated [[cyclopropane]] with the chemical formula {{chem2|C3HCl5}}. It is a colourless liquid with a faint minty odour.<ref name=tobey>'' Pentachlorocyclopropane'' Stephen W. Tobey and Robert West The University of Wisconsin (1965)</ref> It is thermally unstable above 100 °C; decomposition gives [[1,1,3,3,3-pentachloropropene]] by [[isomerisation]].<ref>Organic Reaction Mechanisms 1966: An Annual Survey Covering the Literature Dated December 1965 Through November 1966. Page 228</ref> Pentachlorocyclopropane can be obtained by the addition of [[dichlorocarbene]] into [[trichloroethylene]] in presence of a base.<ref>Strain and Its Implications in Organic Chemistry: Organic Stress and Reactivity. (2012). Page 384</ref> Pentachlorocyclopropane itself gives [[tetrachlorocyclopropene]] when reacted with a base such as [[potassium hydroxide]] by means of [[dehydrohalogenation]].<ref>Advances in Alicyclic Chemistry. (2013). Elsevier Science. page 57</ref>

==References== {{Reflist}} [[Category:Organochlorides]] [[Category:Cyclopropanes]] {{Authority Control}}