Diethyl sulfoxide
Also known as: 1-ethylsulfinylethane, Diethyl sulphoxide, Ethyl sulfoxide, Ethylsulphoxide, 1,1'-Sulfinylbis(ethane), Ethane, 1,1'-sulfinylbis-, Ethanesulfinylethane, NSC 139125, Diethylsulfoxide, Diethylsulphoxide, (Ethylsulfinyl)ethane
Diethyl sulfoxide (CAS 70-29-1) is a compound in the Sulfur Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H10OS and a molecular weight of 106.18700 g/mol. Key properties include a boiling point of 212ºC at 760 mmHg, a density of 1.02 g/cm3 and a flash point of 82ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 70-29-1
- Jingsj CID
- J-1497615-3
- Molecular Formula
- C4H10OS
- Molecular Weight
- 106.18700 g/mol
- Category
- Sulfur Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 212ºC at 760 mmHg |
|---|---|
| Density | 1.02 g/cm3 |
| Flash Point | 82ºC |
| Exact Mass | 106.04500 |
| PSA | 36.28000 |
| LogP | 1.64060 |
| Refractive Index | 1.477 |
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diethyl sulfoxide?
The CAS number of Diethyl sulfoxide is 70-29-1.
What are the molecular formula and molecular weight of Diethyl sulfoxide?
Diethyl sulfoxide has molecular formula C4H10OS and molecular weight 106.18700 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl sulfoxide (CAS 70-29-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497615-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.