3-Methylthiolane
Also known as: 3-Methyltetrahydrothiophene, Tetrahydro-3-methylthiophene, 3-Methylthiacyclopentane, 3-methyl tetrahydrothiophene, Thiophene, tetrahydro-3-methyl-, 3-Methyl-tetrahydro-thiophen, Thiophene,tetrahydro-3-methyl, rac-3-Methylthiolan
3-Methylthiolane (CAS 4740-00-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H10S and a molecular weight of 102.198 g/mol. Key properties include a boiling point of 132.5±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 28.1±15.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4740-00-5
- Jingsj CID
- J-1523414-7
- Molecular Formula
- C5H10S
- Molecular Weight
- 102.198 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 132.5±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 28.1±15.1 °C |
| Exact Mass | 102.050323 |
| PSA | 25.30000 |
| LogP | 1.83 |
| Vapor Pressure | 10.9±0.2 mmHg at 25°C |
| Refractive Index | 1.491 |
| Storage Conditions | -20°C |
Frequently Asked Questions
What is the CAS number of 3-Methylthiolane?
The CAS number of 3-Methylthiolane is 4740-00-5.
What are the molecular formula and molecular weight of 3-Methylthiolane?
3-Methylthiolane has molecular formula C5H10S and molecular weight 102.198 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. "3-Methylthiolane (CAS 4740-00-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523414-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.