Description

α-Cyano-3-Phenoxybenzyl [1S-[1Alpha(R*),3Beta]]-3-(2,2-Dichlorovinyl)-2,2-Dimethylcyclopropanecarboxylate is a high-purity synthetic pyrethroid intermediate of significant commercial importance. This compound is essential for the production of advanced, high-efficacy insecticidal formulations. It is primarily required by manufacturers in the agrochemical and specialty chemical industries for developing next-generation crop protection products and public health insecticides.

Application

• Key Intermediate for Synthetic Pyrethroids: Serves as a critical building block in the synthesis of potent Type II pyrethroid insecticides.
• Agrochemical Manufacturing: Used in the production of broad-spectrum insecticides for crop protection against a wide range of pests.
• Public Health Insecticides: Formulated into products for mosquito control and the management of disease vectors.
• Animal Health Products: Incorporated into ectoparasiticide formulations for livestock and pets.
• Specialty Chemical Synthesis: Employed in research and development for novel bioactive molecules.
• Technical Grade Material Production: Used to manufacture technical-grade active ingredients for further formulation.

Basic Information

Product Name	α-Cyano-3-Phenoxybenzyl [1S-[1Alpha(R*),3Beta]]-3-(2,2-Dichlorovinyl)-2,2-Dimethylcyclopropanecarboxylate
CAS No.	83860-31-5
Molecular Formula	C22H19Cl2NO3
Molecular Weight	416.30 g/mol
Synonyms	Cypermethrin Acid Chloride; (1R,3R)-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic Acid Chloride of α-Cyano-3-Phenoxybenzyl Alcohol; (1R)-cis-2,2-Dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylic Acid (3-Phenoxybenzyl) Ester; Cypermethrin Intermediate; NRDC 149; PP 383; FMC 30980; Cymbush Acid Chloride Intermediate
EINECS	Contact for details

Quality Control

Our α-Cyano-3-Phenoxybenzyl [1S-[1Alpha(R*),3Beta]]-3-(2,2-Dichlorovinyl)-2,2-Dimethylcyclopropanecarboxylate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chiral purity and impurity profile analysis, to ensure it meets the exacting standards required for high-performance agrochemical synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and specific tests is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Chiral Purity (Isomer Ratio)	≥ 95.0% (1R,3R) cis-isomer
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%

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