Description

3-(2,2-Dichlorovinyl)-2,2-Dimethylcyclopropanecarboxylic Anhydride is a high-purity, reactive chemical intermediate of significant commercial importance. Its core value lies in its role as a key building block for the synthesis of advanced pyrethroid insecticides and other fine chemicals. This product is essential for manufacturers and R&D facilities in the agrochemical, pharmaceutical, and specialty chemical industries seeking reliable, high-quality raw materials for complex synthesis.

Application

• Primary Intermediate for Pyrethroid Synthesis: A crucial precursor in the manufacturing of synthetic pyrethroid insecticides, such as permethrin, cypermethrin, and other analogs.
• Agrochemical Research & Development: Used in the discovery and development of new, more effective crop protection agents with modified activity profiles.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex molecules in pharmaceutical and specialty chemical applications.
• Academic & Industrial Research: Employed in studies of cyclopropane chemistry and the structure-activity relationships of bioactive compounds.
• Custom Synthesis Projects: A starting material for contract manufacturing organizations (CMOs) producing tailored chemical entities for clients.

Basic Information

Product Name	3-(2,2-Dichlorovinyl)-2,2-Dimethylcyclopropanecarboxylic Anhydride
CAS No.	56860-12-9
Molecular Formula	C10H10Cl2O2
Molecular Weight	233.09 g/mol
Synonyms	3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic anhydride; 2,2-Dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylic anhydride; Chrysanthemic anhydride, dichlorovinyl-; Permethrin acid anhydride; DV Chrysanthemic Anhydride; 3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane-1-carboxylic anhydride; Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, anhydride
EINECS	Contact for details

Quality Control

Our 3-(2,2-Dichlorovinyl)-2,2-Dimethylcyclopropanecarboxylic Anhydride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance for your synthesis needs. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are sealed tightly after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.