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CAS number 116-16-5 YesY
ChemSpider 13873693 YesY
KEGG C19122 N
Jmol-3D images Image 1
Molecular formula C3Cl6O
Molar mass 264.75 g/mol
Density 1.444 g/cm3[1]
Melting point −2 °C (28 °F; 271 K)
Boiling point 204 °C (399 °F; 477 K)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 N (verify) (what is: YesY/N?)
Infobox references

Hexachloroacetone is an organic compound with the formula Cl3C-CO-CCl3. It is also called hexachloropropanone or perchloroacetone. Numbers indicating the position of the chlorine-atoms are generally omitted as all the possible positions are substituted with chlorine. It is a colorless liquid, slightly soluble in water.

The main use of hexachloroacetone is as a pesticide. For the use of hexachloroacetone in the preparation of a novel insect repellent see Perkow reaction.


  1. ^ Handbook of Chemistry and Physics, 1st student edition, CRC Press (1987)