Chlordimeform

• N-(4 -chloro- o-tolyl )-N ', N'- dimethylformamidine
• Chlorphenamidine
• N'- (4-chloro -2-methylphenyl )-N, N- dimethylformamidine

• 6164-98-3
• 19750-95-9 (hydrochloride)

Colorless solid

Fixed

1.10 g · cm -3

32 ° C.

164 ° C ( 18.7 mbar)

0.00046 mbar (20 ° C)

Very slightly soluble in water

Attention

160 mg · kg -1 ( LD50, rat, oral)

Template: Infobox chemical / molecular formula search available

Chlordimeform is a chemical compound from the group of amidines and organic chlorine compounds.

History

Chlordimeform was sold 1966-1976 and between 1978 and 1988 from Ciba -Geigy under the name Galecron as pesticides in cotton and various food crops. In 1978, Ciba- Geigy, the manufacture and sale of the product, after independent scientists had expressed the suspicion of a carcinogenic effect of the agent according to animal studies.

Production and representation

Chlordimeform industrially by condensation of a Vilsmeier reagent (obtained by the reaction of dimethylformamide with phosphorus oxychloride, thionyl chloride or cobalt ( II) chloride ), either with 4-chloro -o-toluidine or o-toluidine and subsequent chlorination of the resulting intermediate product produced.

Use

Chlordimeform and its hydrochloride are used as pesticides ( acaricide and insecticide). In Germany, Austria and Switzerland, no plant protection products containing this active substance is approved.