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4-(Bromomethyl)furan-2(5H)-one

Also known as: 4-(Bromomethyl)-2,5-dihydrofuran-2-one, 4-(Bromomethyl)-2(5H)-furanone, 4-(Bromomethyl)-5-hydrofuran-2-one, 4-Bromomethyl-5H-furan-2-one, 2(5H)-Furanone, 4-(bromomethyl)-, 3-(Bromomethyl)-2-buten-4-olide, 3-(bromomethyl)-2H-furan-5-one, 3-(bromomethyl)-4-hydroxy-2-butenoic lactone, 3-bromomethyl-2-buten-4-olide, 4-(Bromomethyl)-5-hydrofuran-2-one

4-(Bromomethyl)furan-2(5H)-one (CAS 61934-55-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5BrO2 and a molecular weight of 176.99600 g/mol. Key properties include a boiling point of 287ºC at 760 mmHg, a density of 1.738 g/cm3 and a flash point of 127.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
61934-55-2
Jingsj CID
J-1177534-1
Molecular Formula
C5H5BrO2
Molecular Weight
176.99600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point287ºC at 760 mmHg
Density1.738 g/cm3
Flash Point127.4ºC
Exact Mass175.94700
PSA26.30000
LogP0.86450
Refractive Index1.545
Storage Conditions2-8°C

Customs & Trade Information

HS Code2932209090
Summary2932209090. 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 4-(Bromomethyl)furan-2(5H)-one?

The CAS number of 4-(Bromomethyl)furan-2(5H)-one is 61934-55-2.

What are the molecular formula and molecular weight of 4-(Bromomethyl)furan-2(5H)-one?

4-(Bromomethyl)furan-2(5H)-one has molecular formula C5H5BrO2 and molecular weight 176.99600 g/mol.

What are the upstream and downstream products of 4-(Bromomethyl)furan-2(5H)-one?

For 4-(Bromomethyl)furan-2(5H)-one, Upstream Products: ethyl 2-cyclopropylideneacetate, 3-Methyl-2-butenoic acid; Downstream Products: 4-Methyl-2(5H)-furanone, (S)-dihydro-4-methylfuran-2(3H)-one, Bromoethane.

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

Last updated:

How to cite: Jingsj. "4-(Bromomethyl)furan-2(5H)-one (CAS 61934-55-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1177534-1 (accessed 2026-11-09).

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