D.V. Acid content (Assay by
GLC)

:

99% (w/w) minimum

Moisture content by Karl Fischer
method

:

0.5% (w/w) maximum

Isomer distribution by GLC

:

Trans-isomer – 98% minimum,
Cis-isomer – 2% maximum

Related Substances By GLC

:

(i)3-chloro acetylenyl (2, 2-
dimethyl cyclopropane)-1-
carboxylic acid

:

1.0% (w/w) maximum

(ii)3-(2, 2, 2-trichloro ethyl) 2,
2-dimethyl cyclopropane-1-
carboxylic acid

:

1.0% (w/w) maximum