# Mevinphos

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**Mevinphos** is a toxic [organophosphate](/source/Organophosphate) [insecticide](/source/Insecticide) that acts as an [acetylcholinesterase inhibitor](/source/Acetylcholinesterase_inhibitor) to control insects in a wide range of crops. It was most commonly used for the control of chewing and sucking insects like [aphids](/source/Aphids), [grasshoppers](/source/Grasshoppers), [cutworms](/source/Cutworms), [leafhoppers](/source/Leafhoppers), and [caterpillars](/source/Caterpillars), as well as [spider mites](/source/Spider_mites) and [ticks](/source/Ticks).[1] Common synonym names are duraphos, fosdrin, menite, mevinfos, mevinox, phosdrin, and phosdrine. While there is no specific ban in the [EU](/source/European_Union), it is not approved for use in any member nations.[2] Nor is it approved for use in [Canada](/source/Canada).[3] The [EPA](/source/Environmental_Protection_Agency) issued a Cancellation Order for all Mevinphos registrations on June 30, 1994, effectively banning its manufacture and use in the [United States](/source/United_States), all manufacture ceased shortly after, and its use was officially banned after February 28, 1995.[4]

## Manufacture

Mevinphos is produced by the reaction of [trimethyl phosphite](/source/Trimethyl_phosphite) with chloroacetoacetate.[5]

## References

1. Raman, P. (2014). "Mevinphos". *Encyclopedia of Toxicology*. pp. 332–335. [doi:10.1016/B978-0-12-386454-3.00335-3](https://doi.org/10.1016/B978-0-12-386454-3.00335-3). ISBN 978-0-12-386455-0.

1. Hartwig, Andrea; MAK Commission; Arand, Michael (2024). "Mevinphos". *The MAK Collection for Occupational Health and Safety*. **9** (3). [doi:10.5167/uzh-269711](https://doi.org/10.5167/uzh-269711)

1. ["Transitioning the Legal Establishment of Maximum Residue Limits (MRLs) for Pesticides From the Food and Drugs Act to the Pest Control Products Act"](https://publications.gc.ca/collections/collection_2008/pmra-arla/H113-29-2008-2E.pdf). *Pest Management Regulatory Agency*. Ottawa, Ontario: Health Canada. 9 July 2008. Retrieved 15 August 2025.

1. ["Mevinphos"](https://www3.epa.gov/pesticides/chem_search/reg_actions/reregistration/fs_PC-015801_1-Sep-94.pdf). *EPA R.E.D. Facts*. Washington, DC: [United States Environmental Protection Agency](/source/United_States_Environmental_Protection_Agency). September 1994. pp. 4–5. Retrieved 15 August 2025.

1. Muller, Franz (ed.) (2000). *Agrochemicals: Composition, Production, Toxicology, Applications*. Toronto: Wiley-VCH. ISBN 3-527-29852-5.

## Further reading

- Wolverton, B.C. (ed.) (1975). *Aquatic Plants for Removal of Mevinphos from the Aquatic Environment; Volume 72720 of NASA Technical memorandum*. Mississippi: National Space Technology Laboratories (U.S.)

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Adapted from the Wikipedia article [Mevinphos](https://en.wikipedia.org/wiki/Mevinphos) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Mevinphos?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.