3-Bromo-2(5H)-furanone

Also known as: 3-Bromofuran-2(5H)-one, 3-Bromo-2,5-dihydrofuran-2-one, 3-Bromofuran-2-one, 3-bromo-5H-furan-2-one

3-Bromo-2(5H)-furanone (CAS 76311-89-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3BrO2 and a molecular weight of 162.96900 g/mol. Key properties include a boiling point of 295.9ºC at 760 mmHg, a density of 1.989g/cm3 and a flash point of 132.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 76311-89-2
Jingsj CID: J-1518740-3
Molecular Formula: C₄H₃BrO₂
Molecular Weight: 162.96900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	295.9ºC at 760 mmHg
Density	1.989g/cm3
Flash Point	132.8ºC
Exact Mass	161.93200
PSA	26.30000
LogP	0.82200
Refractive Index	1.588

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-Bromo-2(5H)-furanone?

The CAS number of 3-Bromo-2(5H)-furanone is 76311-89-2.

What are the molecular formula and molecular weight of 3-Bromo-2(5H)-furanone?

3-Bromo-2(5H)-furanone has molecular formula C4H3BrO2 and molecular weight 162.96900 g/mol.

What are the upstream and downstream products of 3-Bromo-2(5H)-furanone?

For 3-Bromo-2(5H)-furanone, Upstream Products: 2(5H)-Furanone, 4-Hydroxybut-2-ynoic acid, Methyl 4-hydroxy-2-butynoate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3-Bromo-2(5H)-furanone (CAS 76311-89-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518740-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.