2-Bromo-1,4-benzoquinone

Also known as: 2-Bromocyclohexadiene-1,4-dione, 2-Bromoquinone, Bromoquinone, 2-Bromo-p-benzoquinone, 2-Bromobenzoquinone, 2,5-Cyclohexadiene-1,4-dione,2-bromo, Bromo-1,4-benzoquinone, Bromo-p-benzoquinone

2-Bromo-1,4-benzoquinone (CAS 3958-82-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H3BrO2 and a molecular weight of 186.99100 g/mol. Key properties include a melting point of 55ºC, a boiling point of 229.4ºC at 760mmHg, a density of 1.9g/cm3 and a flash point of 103.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3958-82-5
Jingsj CID: J-20591-7
Molecular Formula: C₆H₃BrO₂
Molecular Weight: 186.99100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	55ºC
Boiling Point	229.4ºC at 760mmHg
Density	1.9g/cm3
Flash Point	103.4ºC
Exact Mass	185.93200
PSA	34.14000
LogP	0.97320
Refractive Index	1.628

Customs & Trade Information

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Bromo-1,4-benzoquinone?

The CAS number of 2-Bromo-1,4-benzoquinone is 3958-82-5.

What are the molecular formula and molecular weight of 2-Bromo-1,4-benzoquinone?

2-Bromo-1,4-benzoquinone has molecular formula C6H3BrO2 and molecular weight 186.99100 g/mol.

What are the upstream and downstream products of 2-Bromo-1,4-benzoquinone?

For 2-Bromo-1,4-benzoquinone, Upstream Products: 2-bromohydroquinone, 2-Bromo-4-methoxyphenol, 2-Bromophenol; Downstream Products: 2,3,5,6-Tetrabromo-1,4-benzoquinone, 2,5-dibromobenzene-1,4-diol, 2,6-Dibromohydroquinone.

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. "2-Bromo-1,4-benzoquinone (CAS 3958-82-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20591-7 (accessed 2026-11-06).

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