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Transfluthrin

Also known as: 2,3,5,6-Tetrafluorobenzyl (1R,3S)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, (1R-trans)-(2,3,5,6-Tetrafluorophenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate, 3-(2,2-dichloroethenyl)-2,2-dimethyl-cyclopropanecarboxylic acid (2,3,5,6-tetrafluorophenyl)methyl ester, Baygon, Bayothrin, Transfluthrin [ISO], MFCD01636115, EINECS 405-060-5

Transfluthrin (CAS 118712-89-3) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H12Cl2F4O2 and a molecular weight of 371.154 g/mol. Key properties include a melting point of 32ºC, a boiling point of 351.4±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 115.5±17.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
118712-89-3
Jingsj CID
J-1972557-6
Molecular Formula
C15H12Cl2F4O2
Molecular Weight
371.154 g/mol
Category
Esters
Last updated
8/21/2026

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Physicochemical Properties

Melting Point32ºC
Boiling Point351.4±42.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point115.5±17.0 °C
Exact Mass370.015045
PSA26.30000
LogP5.40
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.550

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H315 — Causes skin irritation
  • H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information[1]. Nicholas J Martin, et al. The impact of transfluthrin on the spatial repellency of the primary malaria mosquito vectors in Vietnam: Anopheles dirus and Anopheles minimus. Malar J . 2020 Jan 6;19(1):9. [2]. David Anuoluwapo Oyeniran, et al. Infertility: A product of smoke emanating from Transfluthrin coated insecticide paper (TCIP).

Customs & Trade Information

HS Code2916209024

Frequently Asked Questions

What is the CAS number of Transfluthrin?

The CAS number of Transfluthrin is 118712-89-3.

What are the molecular formula and molecular weight of Transfluthrin?

Transfluthrin has molecular formula C15H12Cl2F4O2 and molecular weight 371.154 g/mol.

Is Transfluthrin hazardous?

Transfluthrin has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H410 — Very toxic to aquatic life with long lasting effects.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Transfluthrin (CAS 118712-89-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1972557-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.