Dienochlor is an

organochlorine compound An organochloride, organochlorine compound, chlorocarbon, or chlorinated hydrocarbon is an organic compound containing at least one covalently bonded atom of chlorine. The chloroalkane class ( alkanes with one or more hydrogens substituted by chlo ...

included in the group of cyclic chlorinated hydrocarbons. Its chemical formula is . Dienochlor is mostly used as a pesticide and ovicide.

Synthesis

Dienochlor can be obtained by catalytic reduction of

hexachlorocyclopentadiene Hexachlorocyclopentadiene (HCCPD), also known as C-56, Graphlox, and HRS 1655, is an organochlorine compound with the formula C5Cl6. It is a precursor to pesticides, flame retardants, and dyes. It is a colourless liquid, although commercial sample ...

(e.g. with copper or hydrogen). Dienochlor synthesis

Properties

Dienochlor is a combustible yellow solid which is practically insoluble in water. It decomposes when heated above 250 °C. It decomposes rapidly under the influence of sunlight.

Applications

Dienochlor is used as an

acaricide Acaricides are pesticides that kill members of the arachnid subclass ''Acari'', which includes ticks and mites. Acaricides are used both in medicine and agriculture, although the desired selective toxicity differs between the two fields. Termino ...

under the trade name Pentac for combating mites (''

Tetranychus ''Tetranychus'' is a genus of spider mite. ''Tetranychus'' is one of the most economically important genera of mites, due to its high potential to destroy agriculture. It contains over 140 species, the most significant of which is ''Tetranychus ...

'', '' Polyphagotarsonemus latus'') on roses, chrysanthemums, and other ornamental plants.

Regulations

Dienochlor was approved for use in the Western Germany between 1971 and 1990. In the European Union, no plant protection products containing dienochlor are authorized.

References

{{Reflist Organochlorides Acaricides