3,4-dibromo-5-phenylfuran-2(5H)-one

3,4-二溴-5-苯基-2(5H)-呋喃酮

Also known as: 3,4-dibromo-5-phenyl-2(5H)-furanone, 3,4-dibromo-2-phenyl-2H-furan-5-one, 3,4-dibromo-5-phenyl-5H-furan-2-one, 2,3-dibromo-4-phenylcrotonolactone, dibromophenylfuranone

3,4-dibromo-5-phenylfuran-2(5H)-one (CAS 72857-86-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H6Br2O2 and a molecular weight of 317.96100 g/mol. It is also known as 3,4-dibromo-5-phenyl-2(5H)-furanone, 3,4-dibromo-2-phenyl-2H-furan-5-one and 3,4-dibromo-5-phenyl-5H-furan-2-one. Key properties include a melting point of 74-76ºC, a boiling point of 409.7ºC at 760 mmHg, a density of 2.006g/cm3 and a flash point of 201.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
72857-86-4
Jingsj CID
J-1316741-3
Molecular Formula
C10H6Br2O2
Chinese Name
3,4-二溴-5-苯基-2(5H)-呋喃酮
Molecular Weight
317.96100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point74-76ºC
Boiling Point409.7ºC at 760 mmHg
Density2.006g/cm3
Flash Point201.6ºC

Frequently Asked Questions

What is the CAS number of 3,4-dibromo-5-phenylfuran-2(5H)-one?

The CAS number of 3,4-dibromo-5-phenylfuran-2(5H)-one is 72857-86-4.

What are the molecular formula and molecular weight of 3,4-dibromo-5-phenylfuran-2(5H)-one?

3,4-dibromo-5-phenylfuran-2(5H)-one has molecular formula C10H6Br2O2 and molecular weight 317.96100 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-dibromo-5-phenylfuran-2(5H)-one (CAS 72857-86-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1316741-3 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.