2,2-Dimethylthiirane
Also known as: Isobutylene Sulfide, 2-Methylpropylene Sulfide, 2,2-Dimethylethylene Sulfide, 2,2-Dimethylthiacyclopropane, Thiirane, 2,2-dimethyl-
2,2-Dimethylthiirane (CAS 3772-13-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8S and a molecular weight of 88.171 g/mol. Key properties include a boiling point of 82.3±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of -3.1±15.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3772-13-2
- Jingsj CID
- J-25044-2
- Molecular Formula
- C4H8S
- Molecular Weight
- 88.171 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 82.3±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | -3.1±15.4 °C |
| Exact Mass | 88.034668 |
| PSA | 25.30000 |
| LogP | 1.24 |
| Vapor Pressure | 88.1±0.1 mmHg at 25°C |
| Refractive Index | 1.498 |
Frequently Asked Questions
What is the CAS number of 2,2-Dimethylthiirane?
The CAS number of 2,2-Dimethylthiirane is 3772-13-2.
What are the molecular formula and molecular weight of 2,2-Dimethylthiirane?
2,2-Dimethylthiirane has molecular formula C4H8S and molecular weight 88.171 g/mol.
What are the upstream and downstream products of 2,2-Dimethylthiirane?
For 2,2-Dimethylthiirane, Upstream Products: Isobutylene oxide, Potassium thiocyanate, 1-Chloro-2-methyl-2-propanol; Downstream Products: 4-Mercapto-4-methylpentanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2-Dimethylthiirane (CAS 3772-13-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25044-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.