Cypermethric Acid Chloride (CMAC)

DESCRIPTION

Cypermethric Acid Chloride is mainly used for the manufacture of Cypermethrin, Permethrin, Beta Cypermethrin, Alpha Cypermethrin and some other products.

CHEMICAL NAME

3-(2,2-dichlorovinyl)-2,2-dimethyl cyclopropane-1-carboxylic acid chloride

CAS REGISTRY NO.

52314-67-7

STRUCTURAL FORMULA

PHYSICAL PROPERTIES

Appearance
A clear pale yellow liquid free from extraneous impurities.
Boiling Point
78-80°C at 1.5 mm Hg and 116-117°C at 7.5 mm Hg
Density
1.23 g/ml at 30°C
Freezing Point
Does not freeze up to -5°C
Solubility
Miscible in n-hexane, benzene, toluene, chloroform and carbon tetrachloride in all proportions.
Reactivity
Reacts violently with water, alkali metals and their hydroxides. Reacts rapidly with alcohols giving corresponding esters. Evolves hydrogen chloride with water and alcohols.

STABILITY

Stable under normal storage conditions.

SPECIFICATION

"By GLC (area normalization method, as methyl ester)"
98% (w/w) minimum
By IS
97% (w/w) minimum
Acid content
0.8% (w/w) maximum
Thionyl Chloride content
0.2% (w/w) maximum
Other related substances (by GLC, after esterification)
0.5% (w/w) maximum
Cis-Trans ratio
55 : 45 to 50 : 50

GRADES

DV acid chloride with different cis-trans ratios is also available

SHELF LIFE

Two years under normal storage conditions.

PACKAGING

Technical Grade
250 kg UN approved polylined MS drums
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