Description

θ-Cypermethrin is a potent synthetic pyrethroid insecticide known for its high efficacy and broad-spectrum activity. It is a critical active ingredient for formulators seeking reliable pest control solutions with enhanced stability and knockdown power. This product is essential for manufacturers in the agricultural, public health, and professional pest management industries.

Application

• Agricultural Insecticides: Formulated for the control of a wide range of insect pests in crops such as cotton, cereals, fruits, and vegetables.
• Public Health Pest Control: Used in mosquito control programs and for managing flies, cockroaches, and other disease vectors.
• Professional Pest Management (PMP): A key component in termiticides and products for controlling ants, spiders, and other structural pests.
• Animal Health: Incorporated into ectoparasiticide products for livestock and pets.
• Wood Preservation: Applied in treatments to protect timber from wood-boring insects.
• Stored Product Protection: Used to protect grains and other commodities during storage from insect infestation.

Basic Information

Product Name	θ-Cypermethrin
CAS No.	71697-59-1
Molecular Formula	C22H19Cl2NO3
Molecular Weight	416.30 g/mol
Synonyms	θ-Cypermethrin; (S)-α-Cyano-3-phenoxybenzyl (1R,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate; α-Cypermethrin (θ-isomer); Fastac; Fendona; Bestox; Concord; Niure; α-Cypermethrin, high theta; (1R)-cis-isomer of α-cypermethrin
EINECS	Contact for details

Quality Control

Our θ-Cypermethrin is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product is tested against rigorous in-house specifications, which typically include assay, isomer ratio, and key impurity profiles. Certificates of Analysis (COA) detailing all quality parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
θ-Isomer Content	≥ 90.0%
Related Substances (HPLC)	≤ 2.0% total
Water Content (KF)	≤ 0.5%

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