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. It is classified under GHS with signal word Danger and hazard statements H300, H330 — Fatal if inhaled and H311 — Toxic in contact with skin. 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
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 52℃ |
|---|---|
| Boiling Point | 393.5±44.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 191.8±28.4 °C |
| Exact Mass | 262.009857 |
| PSA | 113.16000 |
| LogP | -0.11 |
| Appearance | solid |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.482 |
| Additional Property | Soluble (63 g/L) (25 ºC) |
GHS Safety & Compliance
- H300
- H330 — Fatal if inhaled
- H311 — Toxic in contact with skin
- H411 — Toxic to aquatic life with long lasting effects
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 and hazard statements H300; H330 — Fatal if inhaled; H311 — Toxic in contact with skin.
What are the upstream and downstream products of Demeton-S-methyl sulfone?
For Demeton-S-methyl sulfone, Upstream Products: oxydemeton-methyl, demeton-S-methyl.
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 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.