Tetramethrin is a potent synthetic insecticide in the pyrethroid family. It is a white crystalline solid with a melting point of 65–80 °C. The commercial product is a mixture of stereoisomers.
Quick facts Names, Identifiers ...
Tetramethrin
Tetramethrin |
3D model |
| Names |
| IUPAC name
(1,3-Dioxo-4,5,6,7-tetrahydroisoindol-2-yl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate |
Preferred IUPAC name
(1,3-Dioxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl)methyl 2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate |
| Identifiers |
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| ChEBI |
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| ChemSpider |
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| ECHA InfoCard |
100.028.829 |
| EC Number |
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| KEGG |
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| RTECS number |
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| UNII |
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InChI=1S/C19H25NO4/c1-11(2)9-14-15(19(14,3)4)18(23)24-10-20-16(21)12-7-5-6-8-13(12)17(20)22/h9,14-15H,5-8,10H2,1-4H3 Y Key: CXBMCYHAMVGWJQ-UHFFFAOYSA-N Y InChI=1/C19H25NO4/c1-11(2)9-14-15(19(14,3)4)18(23)24-10-20-16(21)12-7-5-6-8-13(12)17(20)22/h9,14-15H,5-8,10H2,1-4H3 Key: CXBMCYHAMVGWJQ-UHFFFAOYAA
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O=C1\C3=C(/C(=O)N1COC(=O)C2C(\C=C(/C)C)C2(C)C)CCCC3
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| Properties |
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C19H25NO4 |
| Molar mass |
331.406 g/mol |
| Appearance |
white crystalline solid |
| Odor |
strong, pyrethrum-like |
| Density |
1.108 g/cm3 |
| Melting point |
65 to 80 °C (149 to 176 °F; 338 to 353 K) |
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0.00183 g/100 mL |
| Solubility |
soluble in methane, hexane slightly soluble in acetone, n-octanol, ethanol very slightly soluble in xylene |
| log P |
4.73 |
| Vapor pressure |
10 Pa |
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1.5175 |
| Pharmacology |
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P03BA04 (WHO) QP53AC13 (WHO) |
| Hazards |
| Lethal dose or concentration (LD, LC): |
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20,000 mg/kg (rat, oral) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It is commonly used as an insecticide, and affects the insect's nervous system. It is found in many household insecticide products.[1]
Tetramethrin has an expected half-life of 12.5–14 days in soil and 13–25 days in water.[2] Tetramethrin was classified as a Category 2 carcinogen in 2018 by Directorate-General for the Environment of the European Commission.[3]