Demeton-S-methyl sulfone

内吸磷-S-甲基-砜

Also known as: Demeton-S-methylsulfone, Demeton-S-methylsulphone, S-[2-(Ethylsulfonyl)ethyl] O,O-dimethyl phosphorothioate, Phosphorothioic acid, S-[2-(ethylsulfonyl)ethyl] O,O-dimethyl ester, S-2-Ethylsulfonylethyl O,O-dimethyl phosphorothioate, 1-dimethoxyphosphorylsulfanyl-2-ethylsulfonylethane, Demeton-S-methylsulphon

Demeton-S-methyl sulfone (CAS 17040-19-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H15O5PS2 and a molecular weight of 262.284 g/mol. It is also known as Demeton-S-methylsulfone, Demeton-S-methylsulphone and S-[2-(Ethylsulfonyl)ethyl] O,O-dimethyl phosphorothioate. Key properties include a melting point of 52℃, a boiling point of 393.5±44.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 191.8±28.4 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17040-19-6
Jingsj CID
J-36757-8
Molecular Formula
C6H15O5PS2
Chinese Name
内吸磷-S-甲基-砜
Molecular Weight
262.284 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point52℃
Boiling Point393.5±44.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point191.8±28.4 °C

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Demeton-S-methyl sulfone?

The CAS number of Demeton-S-methyl sulfone is 17040-19-6.

What are the molecular formula and molecular weight of Demeton-S-methyl sulfone?

Demeton-S-methyl sulfone has molecular formula C6H15O5PS2 and molecular weight 262.284 g/mol.

Is Demeton-S-methyl sulfone hazardous?

Demeton-S-methyl sulfone has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Demeton-S-methyl sulfone (CAS 17040-19-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36757-8 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.