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Fluensulfone

Also known as: MCW-2, Nimitz, 5-Chloro-2-[(3,4,4-trifluoro-3-buten-1-yl)sulfonyl]thiazole, 5-chloro-2-(3,4,4-trifluorobut-3-enylsulfonyl)thiazole, 5-Chloro-2-[(3,4,4-trifluorobut-3-en-1-yl)sulfonyl]-1,3-thiazole, 5-chloro-2-(3,4,4-trifluorobut-3-ene-1-sulfonyl)-1,3-thiazole, 5-chloro-2-(3,4,4-trifluorobut-3-enylsulfonyl)-1,3-thiazole, Fluensulfone Solution, 100ppm, 5-Chloro-1,3-thiazol-2-yl 3,4,4-trifluorobut-3-en-1-yl sulfone

Fluensulfone (CAS 318290-98-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H5ClF3NO2S2 and a molecular weight of 291.698 g/mol. Key properties include a boiling point of 375.5±52.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 180.9±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
318290-98-1
Jingsj CID
J-1958467-0
Molecular Formula
C7H5ClF3NO2S2
Molecular Weight
291.698 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point375.5±52.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point180.9±30.7 °C
Exact Mass290.940216
PSA83.65000
LogP3.34
Appearancelight yellow oil
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.503
Storage Conditions-20℃

Activity & Biological Data

Additional Information[1]. Kearn J, et al. Fluensulfone is a nematicide with a mode of action distinct from anticholinesterases and macrocyclic lactones. Pestic Biochem Physiol. 2014 Feb;109:44-57. [2]. Strupp C, et al. Relationship of metabolism and cell proliferation to the mode of action of fluensulfone-induced mouse lung tumors: analysis of their human relevance using the IPCS framework. Toxicol Sci. 2012 Jul;128(1):284-94.

Frequently Asked Questions

What is the CAS number of Fluensulfone?

The CAS number of Fluensulfone is 318290-98-1.

What are the molecular formula and molecular weight of Fluensulfone?

Fluensulfone has molecular formula C7H5ClF3NO2S2 and molecular weight 291.698 g/mol.

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

Last updated:

How to cite: Jingsj. "Fluensulfone (CAS 318290-98-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958467-0 (accessed 2026-11-06).

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