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CAS number 52304-36-6 YesY
PubChem 104150
ChemSpider 94028 YesY
Jmol-3D images Image 1
Molecular formula C11H21NO3
Molar mass 215.29 g mol−1
Main hazards Biopesticide
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

IR3535 is an insect repellent. Merck KGaA is the registered trademark owner of IR3535 in the United States.[1] IR3535 is a synthetic insect repellent that is additionally classified as biopesticide[2] by the EPA. It was used in Europe 20 years prior to its registration with the EPA as an active ingredient in February 1999.[3]


IR3535 and beta-alanine

The structure of IR3535 is based on alanine[4] and beta-alanine.[5] The EPA has classified IR3535 as a biochemical substance based on the fact that it is "functionally identical" to beta alanine: both repel insects and the end groups of IR3535 are not likely to contribute to toxicity. [6]


  1. ^ USPTO: Trademark registration record for IR3535
  2. ^ EPA: Regulating Biopesticides
  3. ^ EPA: Fact sheet on IR3535
  4. ^ Medscape: Insect Repellents
  5. ^ EPA: Similarity to beta-alanine
  6. ^ EPA: IR3535 technical document

External links[edit]