1,3,2-Dioxathiane 2-oxide
亚硫酸1,3-丙二醇酯
Also known as: Trimethylene sulfite, 1,3-Propylene Sulfite, 1,3-Propanediol Cyclic Sulfite, [1,3,2]Dioxathiane 2-oxide, 2-Oxo-1,3,2-dioxathiane
1,3,2-Dioxathiane 2-oxide (CAS 4176-55-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C3H6O3S and a molecular weight of 122.143 g/mol. It is also known as Trimethylene sulfite, 1,3-Propylene Sulfite and 1,3-Propanediol Cyclic Sulfite. Key properties include a melting point of -14 °C, a boiling point of 187.5±9.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 67.2±18.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4176-55-0
- Jingsj CID
- J-1370162-0
- Molecular Formula
- C3H6O3S
- Chinese Name
- 亚硫酸1,3-丙二醇酯
- Molecular Weight
- 122.143 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -14 °C |
|---|---|
| Boiling Point | 187.5±9.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 67.2±18.7 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 1,3,2-Dioxathiane 2-oxide?
The CAS number of 1,3,2-Dioxathiane 2-oxide is 4176-55-0.
What are the molecular formula and molecular weight of 1,3,2-Dioxathiane 2-oxide?
1,3,2-Dioxathiane 2-oxide has molecular formula C3H6O3S and molecular weight 122.143 g/mol.
Is 1,3,2-Dioxathiane 2-oxide hazardous?
1,3,2-Dioxathiane 2-oxide has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3,2-Dioxathiane 2-oxide (CAS 4176-55-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1370162-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.