Trichlorfon
Trichlorfon (CAS 52-68-6, C4H8Cl3O4P) is an organophosphate compound with a molecular weight of 257.44 g/mol. It functions primarily as an acaricide and insecticide. This compound is recognised for its effectiveness in controlling various pests, making it a valuable agent in agricultural and veterinary applications. Tech Serve Solutions provides this chemical as a high-purity analytical standard for research and quality control purposes.
- IUPAC
- (2,2,2-Trichloro-1-hydroxyethyl)phosphonic acid dimethyl ester,Metrifonate
- Synonyms
- MetrifonateDipterexNeguvonChlorfosTrichlorphoneBilarcilAnthonDyloxDimethyldichlorovinyl phosphate

Insecticide and Acaricide
Trichlorfon is widely employed as an insecticide and acaricide. It effectively targets a range of agricultural pests and ectoparasites on livestock, aiding in crop protection and animal health management.
Veterinary Medicine
In veterinary applications, Trichlorfon is used to treat parasitic infections in animals. Its efficacy against various external parasites contributes to maintaining animal welfare and productivity.
Analytical Standard
As an analytical standard, Trichlorfon is used in laboratories for the calibration of analytical instruments and for method validation. Its defined purity ensures reliable results in chromatographic and spectroscopic analyses.
| Molecular weight | 257.44 |
|---|---|
| Empirical formula | C4H8Cl3O4P |
| Grade | PESTANAL®, analytical standard |


Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-43-50/53 |
| Safety statements (S) | 24-37-60-61 |
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 Trichlorfon primarily used for?
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Trichlorfon is primarily used as an insecticide and acaricide, and also in veterinary applications to treat parasitic infections in animals. It is also supplied as an analytical standard.
What are the CAS number and chemical formula for Trichlorfon?
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The CAS number for Trichlorfon is 52-68-6, and its chemical formula is C4H8Cl3O4P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Trichlorfon as a PESTANAL®, analytical standard, meeting high purity requirements for analytical use. We do not represent it as USP, BP, or EP grade unless explicitly stated.
How should Trichlorfon be handled safely?
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Trichlorfon is harmful if swallowed, may cause an allergic skin reaction, and is very toxic to aquatic life with long-lasting effects. When handling, use a dust mask type N95, eyeshields, face shields, and gloves. Ensure adequate ventilation and avoid release into the environment.
How is Trichlorfon packed and shipped?
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Trichlorfon is packed and shipped in accordance with international regulations for hazardous materials, including UN 3077 for transportation. Specific packaging details are available upon request.
How can I request a quote or sample of Trichlorfon?
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To request a quote or a sample of Trichlorfon, please contact our sales team through the website or by direct inquiry, providing your contact details and the quantity required.
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