3-bromodihydrofuran-2(3H)-one
Also known as: 2-bromo-4-butanolide, alpha-bromo-gamma-butyrolactone, 3-bromodihydro-2(3H)-furanone, 2(3H)-furanone, 3-bromodihydro-, 2-bromo-4-hydroxybutyric acid gamma-lactone, 3-bromotetrahydrofuran-2-one, α-bromo-γ-butyrolactone
3-bromodihydrofuran-2(3H)-one (CAS 5061-21-2) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C4H5BrO2 and a molecular weight of 164.985 g/mol. Key properties include a boiling point of 287.9±0.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 111.5±25.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5061-21-2
- Jingsj CID
- J-36358-5
- Molecular Formula
- C4H5BrO2
- Molecular Weight
- 164.985 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 287.9±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 111.5±25.4 °C |
| Exact Mass | 163.947281 |
| PSA | 26.30000 |
| LogP | -0.47 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.529 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3-bromodihydrofuran-2(3H)-one?
The CAS number of 3-bromodihydrofuran-2(3H)-one is 5061-21-2.
What are the molecular formula and molecular weight of 3-bromodihydrofuran-2(3H)-one?
3-bromodihydrofuran-2(3H)-one has molecular formula C4H5BrO2 and molecular weight 164.985 g/mol.
Is 3-bromodihydrofuran-2(3H)-one hazardous?
3-bromodihydrofuran-2(3H)-one has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3-bromodihydrofuran-2(3H)-one?
For 3-bromodihydrofuran-2(3H)-one, Upstream Products: 2,4-Dibromobutanoyl bromide; Downstream Products: alpha-Methylene-gamma-butyrolactone, 2(5H)-Furanone, 3-Methylsalicylic 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. "3-bromodihydrofuran-2(3H)-one (CAS 5061-21-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36358-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.