Agent Name

Cyfluthrin

CAS Number

68359-37-5

Formula

C22-H18-Cl2-F-N-O3

Major Category

Pesticides

Synonyms

(R,S)-alpha-Cyano-4-fluoro-3-phenoxybenzyl-(1R,S)-cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate; (RS)-alpha-Cyano-4-fluoro-3-phenoxybenzyl (1RS,3RS:1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate; (RS)-alpha-Cyano-4-fluoro-3-phenoxybenzyl (1RS,3RS; 1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate; 3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid cyano(4-fluoro-3-phenoxyphenyl)methyl ester; BAY FCR 1272; BAY-VI 1704; Bay-fcr 1272; Baythroid; Baythroid H; Cyano(4-fluoro-3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethyl-cyclopropanecarboxylate; Cyfluthine [ISO-French]; Cyfluthrine; Cyfoxylate; Eulan SP; FCR 1272; FCR 4545; Responsar; Solfac; Syfrutrin; Tempo 2; Cyclopropanecarboxylic acid, 2-(2,2-dichlorovinyl)-3,3-dimethyl-, ester with (4-fluoro-3-phenoxyphenyl)hydroxyacetonitrile; Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, cyano(4-fluoro-3-phenoxyphenyl)methyl ester; alpha-Cyano-4-fluoro-3-phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate; [ChemIDplus] UN2811

Category

Pyrethrins/Pyrethroids

Description

Yellowish-brown liquid or colorless solid; [HSDB] Brown solid; [MSDSonline]

Sources/Uses

Used as an agricultural insecticide; [Merck Index] Used as a veterinary medication; [HSDB]

Comments

A skin, eye, and mucous membrane irritant; In human experiments, the threshold for upper respiratory tract irritation was 0.1 mg/m3; Common symptoms after overexposure in the workplace are stinging sensations of the skin and mucous membranes that begin 1-2 hours after contact and last for 1-2 days; Such symptoms are thought to be due to local action on sensitive nerves; [HSDB] Toxic by inhalation and ingestion; [eChemPortal: ESIS] A skin and eye irritant; [MSDSonline]

Exposure Assessment
MAK

0.01 mg/m3, inhalable fraction

Vapor Pressure

1.5E-10 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Toxic solid, organic, n.o.s."

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

Hepatotoxin

Hepatotoxin, Secondary

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: