Basic Info:

  • Chemical Synonym(s): Alphamethrine; (RS)-α-cyano-3-phenoxybenzyl (1RS)-cis-trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate; Cymperator
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  • CAS Number: 52315-07-8
  • Chemical Formula:


  • MSDS: Download


Melting point
Boiling point
Vapor pressure
2.5×10-7 Pa (20 °C)
Flash Point
Stable. Incompatible with bases, strong oxidizing agents.
Storage Condition
Appearance & Physical State
Viscous semisolid
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Our company established a special pesticide chemicals division in October 2011 to engage in the export business of pesticide chemicals, and it has been 10 years since then.
We have made remarkable achievements in pesticides, fungicides and herbicides, and have achieved long-term cooperation with customers in Australia, New Zealand, Africa, Asia and South America.
Our advantageous products o-chlorophenol and o-chlorobenzaldehyde have been sold to many countries.

We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

When selecting suppliers, our procurement specialists will audit the qualification of suppliers, conduct thorough investigations such as field visits and sample testing, and make ratings to ensure the authenticity and legality of supplier information.

We have a long-term stable cooperation with GLP laboratories, encounter customer test results and supplier test results do not match the situation, we will commission a third party to test to ensure the accuracy, authenticity and reliability of the experimental results. In this way, we can effectively control the product quality problems.

We have a long-term cooperative warehouse and can follow up packaging and labeling according to safety regulations and customer requirements. In order to effectively prevent damage to the goods in transit, we have prepared various reinforcement measures and packaging solutions.

We have a number of international freight companies with whom we have long-standing cooperation, and we can choose several route options according to the customer's requirements. For more difficult or urgent orders, we will prepare several alternative solutions to ensure safe and timely delivery.


We promise to immediately and unconditionally exchange or return the goods if they have quality problems. Our employees who deal with after-sales issues have many years of international work experience and are familiar with various processes in multinational work, so they can communicate and deal with after-sales issues without any obstacles.

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Cypermethrin is a synthetic pyrethroid insecticide. It is also referred to as CPY, cythioate, cyflumetofen, and permethrin.  It acts as an agonist of the GABA receptors.

Therefore it affects the central nervous system of insects and leads to death by hyperstimulation: they become unable to move and eventually die from exhaustion.

It is not heat resistant, which means that it decomposes when heated and emits cyanide gas. This is dangerous. It is insoluble in water and soluble in many organic solvents.

It is produced by the reaction of dichloromethane chloride with α-cyano-m-phenoxybenzyl alcohol. It can also make it by reacting dichlorothrinyl chloride with sulfonate.


Cypermethrin is an insecticide for crops, household, and garden use. It is a pyrethroid-based manufactured organic insecticide.

It is available in different forms like emulsifiable concentrate, wettable powder, emulsion concentrate, flowable concentrate, wettable granule, dry granule, etc. it has good residual activity against soil pests. It is effective against a wide range of insects, including those resistant to other synthetic pyrethroids.

It is mainly used to control aphids, spider mites, whiteflies, mealy bugs, caterpillars, thrips, fruit flies, sawflies, leafhoppers, termites, locusts, and leaf miners, scales, cutworms, planthopper (or plant lice), leaf-feeding caterpillars, etc.

It has low toxicity to mammals and birds. The material is also broadly used as a seed treatment.

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