Dienochlor is an

organochlorine compound Organochlorine chemistry is concerned with the properties of organochlorine compounds, or organochlorides, organic compounds that contain one or more carbon–chlorine bonds. The chloroalkane class (alkanes with one or more hydrogens substituted ...

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

pesticide Pesticides are substances that are used to control pests. They include herbicides, insecticides, nematicides, fungicides, and many others (see table). The most common of these are herbicides, which account for approximately 50% of all p ...

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. Termi ...

under the trade name Pentac for combating mites ('' 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 Perchlorocarbons Acaricides