Transfluthrin, CAS No. 118712-89-3

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118712-89-3

Catalog No. EBD25076

CAS 118712-89-3

Name Transfluthrin

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Basic Information

Synonyms: transfluthrin 2,3,5,6-Tetrafluorobenzyl-(1R,3S)-trans-3-(2,2-dichlorovinyl)-22-dimetyl-cyclopropanecarboxylate 2,3,5,6-tetrafluorobenzyl3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate 2,3,5,6-tetrafluorobenzyl(1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate 2,3,5,6-Tetrafluorobenzyl-(1R,S)-trans-3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropanecarboxylate 3-(2,2-Dichloroethenyl)-2,2-dimethyl-cyclopropanecarboxylicacid(2,3,5,6-tetrafluorophenyl)methylester

Molecular Formula: C15H12Cl2F4O2

Molecular Weight: 371.15

MDL Number: MFCD11045989

Categories: Agrochemicals > Pesticide Chemistry > Insecticides Agrochemicals > Animal Health > Ectoparasiticides

Product Description:

Transfluthrin is a synthetic pyrethroid insecticide. It is a halogenated derivative of chrysanthemic acid, specifically a fluorinated benzyl ester. It is a colorless to pale yellow liquid with a faint characteristic odor and is practically insoluble in water but soluble in most organic solvents. Its primary application is as a fast-acting, non-systemic insecticide with high vapor activity (vapor pressure: 1.9 × 10⁻² Pa at 25°C). It is widely used in public health and household settings for controlling flying insects such as mosquitoes, flies, and moths. Common formulations include mosquito coils, vaporizer mats, liquid vaporizers, and aerosol sprays for indoor and outdoor space treatment. It acts on the insect nervous system by disrupting voltage-gated sodium channels, leading to paralysis and death (knockdown effect). Transfluthrin is also registered for use in veterinary medicine as an ectoparasiticide, particularly in pet care products like flea collars and spot-on treatments. It is known for its low mammalian toxicity but is highly toxic to aquatic organisms. Its high volatility makes it effective for spatial repellency, contributing to its use in disease vector control programs.

Physical Properties

Boiling Point: 351.4 °C at 760 mmHg

Flash Point: >35 °C

Density: 1.492 g/cm3

Solubility: insoluble in water, soluble in most organic solvents

Safety Information

Packing Level: III

Hazard Category: 9

Transport Codes: 3077

Analytical Data

Appearance: colorless crystals