High CIS Cypermethric Acid

Cis Cypermethric acid mainly used for preparation of Alpha Cypermethrin technical and Deltamethrin Technical.

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Chemical Name: Cis-3-(2, 2-dichlorovinyl)-2, 2-dimethyl cyclopropane-1, carboxylic acid.

CAS Registry No.: 59042-49-8

Physical properties :

Appearance : Amorphous Powder, white to off-white in colour

Specifications :

D.V. Acid content (Assay by volumetry) : 99% (w/w) minimum
Moisture content by Karl Fischer method : 0.50% (w/w) maximum
Isomer distribution by GLC : Cis-isomer – 98% minimum, Trans-isomer – 2% maximum

Related Substances By GLC

(i)3-chloro acetylenyl (2, 2-dimethyl cyclopropane)-1-carboxylic acid : 0.5% (w/w) maximum
(ii)3-(2, 2, 2-trichloro ethyl) 2, 2-dimethyl cyclopropane-1-carboxylic acid : 0.5% (w/w) maximum

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