Demephion-O
一硫代田乐磷
Also known as: Caswell No. 369, Demephion-O, EINECS 211-666-9, O,O-dimethyl O-2-methylthioethyl phosphorothioate, O,O-dimethyl O-[2-(methylsulfanyl)ethyl] phosphorothioate, O,O-dimethyl O-[2-(methylthio)ethyl] phosphorothioate, dimethoxy-(2-methylsulfanylethoxy)-sulfanylidene-lambda5-phosphane
Demephion-O (CAS 682-80-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H13O3PS2 and a molecular weight of 216.25900 g/mol. It is also known as Caswell No. 369, EINECS 211-666-9 and O,O-dimethyl O-2-methylthioethyl phosphorothioate. Key properties include a boiling point of 243.2ºC at 760mmHg, a density of 1.227g/cm3 and a flash point of 100.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 682-80-4
- Jingsj CID
- J-1506722-3
- Molecular Formula
- C5H13O3PS2
- Chinese Name
- 一硫代田乐磷
- Molecular Weight
- 216.25900 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 243.2ºC at 760mmHg |
|---|---|
| Density | 1.227g/cm3 |
| Flash Point | 100.9ºC |
Frequently Asked Questions
What is the CAS number of Demephion-O?
The CAS number of Demephion-O is 682-80-4.
What are the molecular formula and molecular weight of Demephion-O?
Demephion-O has molecular formula C5H13O3PS2 and molecular weight 216.25900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Demephion-O (CAS 682-80-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506722-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.