Demeton-O
内吸磷-O
Also known as: Demeton-O, Demeton thiono, Demetonthione, Di-septon, Ethylthiodemeton, Mercaptophos, O,O-Diethyl O-[2-(ethylthio)ethyl] phosphorothioate, Phosphorothioic acid, O,O-diethyl O-[2-(ethylthio)ethyl] ester, Systox thiono, diethoxy-(2-ethylsulfanylethoxy)-sulfanylidene-λ5-phosphane
Demeton-O (CAS 298-03-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H19O3PS2 and a molecular weight of 258.338 g/mol. It is also known as Demeton thiono, Demetonthione and Di-septon. Key properties include a boiling point of 297.2±42.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 133.6±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 298-03-3
- Jingsj CID
- J-46544-3
- Molecular Formula
- C8H19O3PS2
- Chinese Name
- 内吸磷-O
- Molecular Weight
- 258.338 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 297.2±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 133.6±27.9 °C |
Frequently Asked Questions
What is the CAS number of Demeton-O?
The CAS number of Demeton-O is 298-03-3.
What are the molecular formula and molecular weight of Demeton-O?
Demeton-O has molecular formula C8H19O3PS2 and molecular weight 258.338 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Demeton-O (CAS 298-03-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46544-3 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.