γ-Thiobutyrolactone
Also known as: 4-Butyrothiolactone, 4-Thiobutyrolactone, Tetrahydro-2-thiophenone, Tetrahydrothiophene-2-one, Thiacyclopentan-2-one, Thiobutyrolactone, Dihydrothiophen-2(3H)-one, 2-Oxothiolane, thiolan-2-one, 2(3H)-Thiophenone, dihydro-, 2-Thiophenone, tetrahydro-, 5-oxotetrahydrothiophene, NSC 54087
γ-Thiobutyrolactone (CAS 1003-10-7) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C4H6OS and a molecular weight of 102.15500 g/mol. Key properties include a melting point of 138 °C, a boiling point of 197.4ºC at 760mmHg, a density of 1.206g/cm3 and a flash point of 87.6ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1003-10-7
- Jingsj CID
- J-29182-2
- Molecular Formula
- C4H6OS
- Molecular Weight
- 102.15500 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 138 °C |
|---|---|
| Boiling Point | 197.4ºC at 760mmHg |
| Density | 1.206g/cm3 |
| Flash Point | 87.6ºC |
| Exact Mass | 102.01400 |
| PSA | 42.37000 |
| LogP | 1.04000 |
| Vapor Pressure | 0.38mmHg at 25°C |
| Refractive Index | n20/D 1.523(lit.) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Frequently Asked Questions
What is the CAS number of γ-Thiobutyrolactone?
The CAS number of γ-Thiobutyrolactone is 1003-10-7.
What are the molecular formula and molecular weight of γ-Thiobutyrolactone?
γ-Thiobutyrolactone has molecular formula C4H6OS and molecular weight 102.15500 g/mol.
Is γ-Thiobutyrolactone hazardous?
γ-Thiobutyrolactone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of γ-Thiobutyrolactone?
For γ-Thiobutyrolactone, Upstream Products: Thietane, 4-Bromobutanoyl chloride, 4-Mercaptobutanoic acid; Downstream Products: 4,4'-Dithiodibutyric acid, 4-Mercaptobutanoic acid, 4-Mercapto-1-butanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "γ-Thiobutyrolactone (CAS 1003-10-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29182-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.