Cyfluthrin

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]

Biomedical References

0.01 mg/m3, inhalable fraction

1.5E-10 mm Hg

Explanatory Notes

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

Other CNS neurotoxin

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)