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SHEET /m/permethrin · PubChem CID 40326 · CAS 52645-53-1 · REV 2026.07

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Permethrin

from source

C21H20Cl2O3 · 391.3 g/mol

Elimite · Nix · Acticin · Ambushfog

What is Permethrin?

The insecticide in household bug sprays, in factory-treated outdoor clothing, and in the cream used to clear scabies and head lice. from source

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Fig. 1 · 2D structure RDKit

SMILESCC1(C(C1C(=O)OCC2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C

Where you'll find it

Curated by MoleculeFinder from source

Relative acute toxicity from source

Animal study data · LD50

Reported LD50
600 mg/kg · low toxicity
Species
rat
Route
oral

An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.

Toxicity & hazards

Toxicity · LD50

600 mg/kg · low toxicity · LD50 rat oral from source

2 more reported values
  • 1,300 mg/kgLD50 · oral · rat
  • 1,500 mg/kgLD50 · oral · rat
DangerIrritantHealth hazardEnvironmentalH302, H317, H332, H351, H370, H371, H373, H400, H410from source

Sources & methodology

PubChem CID
40326
Wikidata
Q411635
Structure
PubChem → RDKit
LD50
PubChem
Everyday relationships
MoleculeFinder editorial curation
Data refreshed

How MoleculeFinder sources and labels its data