Tetrahydrothiophen-3-one
四氢噻吩-3-酮
Also known as: Dihydrothiophen-3(2H)-one, Thiolan-3-one, 3-Tetrahydrothiophenone, 3-Thiophanone, Dihydro-3(2H)-thiophenone, 3-Oxotetrahydrothiophene, 4,5-Dihydro-3(2H)-thiophenone
Tetrahydrothiophen-3-one (CAS 1003-04-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H6OS and a molecular weight of 102.155 g/mol. It is also known as Dihydrothiophen-3(2H)-one, Thiolan-3-one and 3-Tetrahydrothiophenone. Key properties include a boiling point of 175.2±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 77.2±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1003-04-9
- Jingsj CID
- J-42544-9
- Molecular Formula
- C4H6OS
- Chinese Name
- 四氢噻吩-3-酮
- Molecular Weight
- 102.155 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 175.2±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 77.2±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Tetrahydrothiophen-3-one?
The CAS number of Tetrahydrothiophen-3-one is 1003-04-9.
What are the molecular formula and molecular weight of Tetrahydrothiophen-3-one?
Tetrahydrothiophen-3-one has molecular formula C4H6OS and molecular weight 102.155 g/mol.
Is Tetrahydrothiophen-3-one hazardous?
Tetrahydrothiophen-3-one has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrahydrothiophen-3-one (CAS 1003-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42544-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.