Empenthrin

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title: "Empenthrin" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["chrysanthemate-esters", "ethynyl-compounds"] topic_path: "general/chrysanthemate-esters" source: "https://en.wikipedia.org/wiki/Empenthrin" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

| Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 445808035 | ImageFile=Empenthrin.svg | ImageSize=200px | IUPACName=(E)-(RS)-1-Ethynyl-2-methylpent-2-enyl (1RS,3RS;1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate | OtherNames=Vaporthrin |Section1={{Chembox Identifiers | CASNo_Ref = | CASNo=54406-48-3

| UNII_Ref =

| UNII =K45WEG8WYL | PubChem=6434488 | KEGG_Ref = | KEGG = C18524 | SMILES=CCC=C(C)C(C#C)OC(=O)C1C(C1(C)C)C=C(C)C | ChemSpiderID_Ref = | ChemSpiderID = 4939400 | InChI = 1/C18H26O2/c1-8-10-13(5)15(9-2)20-17(19)16-14(11-12(3)4)18(16,6)7/h2,10-11,14-16H,8H2,1,3-7H3/b13-10+ | InChIKey = YUGWDVYLFSETPE-JLHYYAGUBJ | StdInChI_Ref = | StdInChI = 1S/C18H26O2/c1-8-10-13(5)15(9-2)20-17(19)16-14(11-12(3)4)18(16,6)7/h2,10-11,14-16H,8H2,1,3-7H3/b13-10+ | StdInChIKey_Ref = | StdInChIKey = YUGWDVYLFSETPE-JLHYYAGUSA-N

|Section2={{Chembox Properties | C=18 | H=26 | O=2 | Appearance= | Density= | MeltingPt= | BoilingPt= | Solubility= |Section3={{Chembox Hazards | MainHazards= | FlashPt= | AutoignitionPt =

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. 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).

::figure[src="https://upload.wikimedia.org/wikipedia/commons/3/38/Empenthrin_insekticid.jpg" caption="Empenthrin preparation against [[clothing moth]]s]]{{clear left}}"] ::

References

References

  1. (Nov 1992). "MAMMALIAN TOXICITY OF EMPENTHRIN (VAPORTHRINR, S-2852F)". The Japanese Society of Toxicology.
  2. "empenthrin". University of Hertfordshire.

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chrysanthemate-estersethynyl-compounds