oxydemeton-methyl

砜吸磷

Also known as: Oxydemetonmethyl, Oxydemeton-methyl, Methylmercaptophos oxide, Demeton-S-methyl sulfoxide, Metasystemox, Metasystox-R, S-[2-(Ethylsulfinyl)ethyl] O,O-dimethyl phosphorothioate, S-2-Ethylsulfinylethyl O,O-dimethyl phosphorothioate, O,O-dimethyl S-[2-(ethylsulfinyl)ethyl] phosphorothioate, PO-methylsystox-sulfoxide, Methyl oxydemeton S, Metaisosystox sulfoxide, Demeton-O-methyl sulfoxide, Aimco systox, thiophosphoric acid S-(2-ethanesulfinyl-ethyl) ester O,O'-dimethyl ester, 1-dimethoxyphosphorylsulfanyl-2-ethylsulfinylethane

oxydemeton-methyl (CAS 301-12-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H15O4PS2 and a molecular weight of 246.285 g/mol. It is also known as Oxydemetonmethyl, Oxydemeton-methyl and Methylmercaptophos oxide. Key properties include a melting point of <-20ºC, a boiling point of 377.6±44.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 182.2±28.4 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
301-12-2
Jingsj CID
J-39760-5
Molecular Formula
C6H15O4PS2
Chinese Name
砜吸磷
Molecular Weight
246.285 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point<-20ºC
Boiling Point377.6±44.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point182.2±28.4 °C

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of oxydemeton-methyl?

The CAS number of oxydemeton-methyl is 301-12-2.

What are the molecular formula and molecular weight of oxydemeton-methyl?

oxydemeton-methyl has molecular formula C6H15O4PS2 and molecular weight 246.285 g/mol.

Is oxydemeton-methyl hazardous?

oxydemeton-methyl 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. "oxydemeton-methyl (CAS 301-12-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39760-5 (accessed 2026-10-23).

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