Empenthrin
Empenthrin (also called vaporthrin) is a synthetic pyrethroid used in insecticides. It is active against broad spectrum of flying insects including moths and other pests damaging textile.[1] It has low acute mammalian toxicity (its oral LD50 is above 5000 mg/kg in male rats, above 3500 mg/kg in female rats and greater than 3500 mg/kg in mice).[2] It is however very toxic to fish and other aquatic organisms (96-hour LC50 in Oncorhynchus mykiss is 1.7 μg/L, 48-hour EC50 in Daphnia magna is 20 μg/L).[1]
Empenthrin preparation against clothing moths
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| Names | |
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| IUPAC name
(E)-(RS)-1-Ethynyl-2-methylpent-2-enyl (1RS,3RS;1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate | |
| Other names
Vaporthrin | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.053.759  |
| KEGG | |
PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| C18H26O2 | |
| Molar mass | 274.404 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
 verify (what is  ?) | |
| Infobox references | |
References
- "empenthrin". PPDB: Pesticide Properties DataBase. University of Hertfordshire. Retrieved 2020-07-29.
- Hideo Kaneko; Shinobu Kawaguchi; Yoshinori Misaki; Y Koyama; A Nakayama; H Kawasaki; A Hirohashi; A Yoshitake; H Yamada (Nov 1992). "MAMMALIAN TOXICITY OF EMPENTHRIN (VAPORTHRINR, S-2852F)". The Journal of Toxicological Sciences (in Japanese). Japan: The Japanese Society of Toxicology. 17 (Supplement 3): 313–334. doi:10.2131/jts.17.supplementiii_313. PMID 1293329.
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