3-Sulfolene
Also known as: Butadiene sulfone, 2,5-Dihydrothiophene 1,1-dioxide, 2,5-Dihydrothiophene-1,1-dioxide, Sulfolene, Sulpholene, 2,5-Dihydrothiophene dioxide, 2,5-Dihydrothiophene, 1,1-dioxide
3-Sulfolene (CAS 77-79-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H6O2S and a molecular weight of 118.154 g/mol. Key properties include a melting point of 65 - 66ºC, a boiling point of 299.2±29.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 188.4±16.9 °C. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 77-79-2
- Jingsj CID
- J-1048348-8
- Molecular Formula
- C4H6O2S
- Molecular Weight
- 118.154 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 65 - 66ºC |
|---|---|
| Boiling Point | 299.2±29.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 188.4±16.9 °C |
| Exact Mass | 118.008850 |
| PSA | 42.52000 |
| LogP | -0.87 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.527 |
| Stability | Stable, but decomposes above the melting point. Combustible. Incompatible with strong oxidizing agents. |
GHS Safety & Compliance
- H318 — Causes serious eye damage
Frequently Asked Questions
What is the CAS number of 3-Sulfolene?
The CAS number of 3-Sulfolene is 77-79-2.
What are the molecular formula and molecular weight of 3-Sulfolene?
3-Sulfolene has molecular formula C4H6O2S and molecular weight 118.154 g/mol.
Is 3-Sulfolene hazardous?
3-Sulfolene has GHS signal word Danger and hazard statements H318 — Causes serious eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Sulfolene (CAS 77-79-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1048348-8 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.