Fenvalerate
Fenvalerate (CAS: 51630-58-1) is a synthetic pyrethroid insecticide known for its potent acaricidal and insecticidal properties. This compound, with a molecular weight of 419.90 g/mol, is widely recognised for its efficacy in agricultural pest control. It acts as a neurotoxin, disrupting the nervous system of target pests. Fenvalerate is primarily used in crop protection to manage a broad spectrum of insect and mite populations, contributing to agricultural productivity.
- IUPAC
- α-Cyano-3-phenoxybenzyl α-(4-chlorophenyl)isovalerate

Agricultural Pest Control
Fenvalerate is extensively used as an insecticide and acaricide in agriculture. It effectively controls a wide range of pests affecting crops, including fruit trees, vegetables, and cotton, helping to prevent yield losses.
Veterinary Applications
It may be used in veterinary formulations to control ectoparasites on livestock, contributing to animal health and welfare by managing pests like ticks and mites.
Public Health Pest Management
Fenvalerate can be employed in specific public health programmes to control disease vectors such as mosquitoes and flies, aiding in the prevention of vector-borne diseases.
| Molecular weight | 419.90 |
|---|---|
| Empirical formula | C25H22ClNO3 |
| Assay | ≥97% |
| Storage temperature | −20°C |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Transport (UN / ADR) | UN 2811 6.1/PG 3 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 25-36/37/38-50/53 |
| Safety statements (S) | 26-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Fenvalerate used for?
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Fenvalerate is primarily used as a potent insecticide and acaricide in agriculture for crop protection against a wide range of insect and mite pests. It may also find applications in veterinary pest control and public health programmes.
What is the CAS number and empirical formula for Fenvalerate?
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The CAS number for Fenvalerate is 51630-58-1. The empirical formula is C25H22ClNO3.
What grade and purity does Tech Serve Solutions supply for Fenvalerate?
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Tech Serve Solutions supplies Fenvalerate with an assay of ≥97%. This product is intended for research and technical applications; TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should Fenvalerate be handled safely?
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Fenvalerate is classified with GHS06 and GHS09 symbols, carrying a 'Danger' signal word. It has hazard statements including H301 (Toxic if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H335 (May cause respiratory irritation), and H410 (Very toxic to aquatic life with long-lasting effects). Handle with appropriate personal protective equipment in a well-ventilated area, following safety statements P261, P273, P301 + P310, P305 + P351 + P338, and P501.
How is Fenvalerate packed and shipped?
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Fenvalerate is typically packed and shipped according to relevant regulations for hazardous materials, including UN 2811 classification for transport. Specific packaging details can be provided upon request.
How can I request a quote or sample for Fenvalerate?
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To request a quote or sample for Fenvalerate, please contact our sales team via the website or by phone, providing your details and the quantity required.
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