INTERMEDIATES
Cypermethric Acid Chloride
IUPAC Name
3-(2,2-dichlorovinyl)-2,2-dimethyl cyclopropane-1-carboxylic acid chloride
CAS Number
52314-67-7
Cypermethric Acid Chlorideis mainly used for the manufacture of Cypermethrin, Permethrin, Beta Cypermethrin, Alpha Cypermethrin and some other products.
SPECIFICATIONS
Technical Content
Detailed properties and technical specifications for Cypermethric Acid Chloride
Physical & Chemical Properties
AppearanceA clear pale yellow liquid free from extraneous impurities.
Boiling Point78-80°C at 1.5 mm Hg and 116-117°C at 7.5 mm Hg
Density1.23 g/ml at 30°C
Freezing PointDoes not freeze up to -5°C
SolubilityMiscible in n-hexane, benzene, toluene, chloroform and carbon tetrachloride in all proportions.
ReactivityReacts violently with water, alkali metals and their hydroxides. Reacts rapidly with alcohols giving corresponding esters. Evolves hydrogen chloride with water and alcohols.
Composition & Purity
"By GLC (area normalization method, as methyl ester)"98% (w/w) minimum
By IS97% (w/w) minimum
Acid content0.8% (w/w) maximum
Thionyl Chloride content0.2% (w/w) maximum
Other related substances (by GLC, after esterification)0.5% (w/w) maximum
Cis-Trans ratio55 : 45 to 50 : 50
Packaging & Delivery
Technical Grade250 kg UN approved polylined MS drums
Additional Information
Stable under normal storage conditions.
DV acid chloride with different cis-trans ratios is also available
Two years under normal storage conditions.
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