Description

Esfenvalerate is a synthetic pyrethroid insecticide known for its high efficacy and broad-spectrum activity. It is a critical active ingredient for agricultural and public health pest management programs worldwide. This product is essential for formulators and manufacturers in the crop protection and vector control industries seeking reliable, high-performance insecticidal solutions.

Application

• Agricultural Insect Control: Effective against a wide range of lepidopteran, coleopteran, and other pests in crops such as cotton, soybeans, fruits, and vegetables.
• Public Health Pest Management: Used in formulations for mosquito control programs to combat vector-borne diseases.
• Structural Pest Control: Incorporated into termiticides and products for controlling crawling and flying insects in and around structures.
• Animal Health: Used in ectoparasiticide products for livestock and pets.
• Stored Product Protection: Applied to protect grains and other stored commodities from insect infestation.
• Professional Pest Management (PM): A key component in commercial and industrial pest control formulations.

Basic Information

Product Name	Esfenvalerate
CAS No.	66230-04-4
Molecular Formula	C25H22ClNO3
Molecular Weight	419.90 g/mol
Synonyms	Esfenvalerate; (S)-α-Cyano-3-phenoxybenzyl (S)-2-(4-chlorophenyl)-3-methylbutyrate; Sumi-alpha; Asana; Pydrin; S-Fenvalerate; (S,S)-Fenvalerate; Benzenepropanoic acid, 4-chloro-α-(1-methylethyl)-, cyano(3-phenoxyphenyl)methyl ester, (αS)-; EINECS 266-260-6
EINECS	266-260-6

Quality Control

Our Esfenvalerate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. The product is tested against relevant industry and technical grade specifications. A comprehensive Certificate of Analysis (COA) detailing purity, isomer content, and impurity profiles is provided with each shipment to guarantee compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Isolate from strong oxidizers and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 92.0%
S-Isomer Content	≥ 94.0%
Water Content (KF)	≤ 0.5%
Acidity (as H2SO4)	≤ 0.3%

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