2,3,5,6-Tetrabromo-1,4-benzenediol

四溴代氢醌

Also known as: Tetrabromohydroquinone, 2,3,5,6-Tetrabromo-1,4-benzenediol, 2,3,5,6-Tetrabromobenzene-1,4-diol, 1,2,4,5-Tetrabromo-3,6-dihydroxybenzene, Tetrabromoquinol, Tetrabromo-p-hydroquinone, 2,3,5,6-tetrabromohydroquinone

2,3,5,6-Tetrabromo-1,4-benzenediol (CAS 2641-89-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H2Br4O2 and a molecular weight of 425.695 g/mol. It is also known as Tetrabromohydroquinone, 2,3,5,6-Tetrabromobenzene-1,4-diol and 1,2,4,5-Tetrabromo-3,6-dihydroxybenzene. Key properties include a melting point of 252-255 °C(lit.), a boiling point of 304.4±37.0 °C at 760 mmHg, a density of 2.8±0.1 g/cm3 and a flash point of 137.9±26.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2641-89-6
Jingsj CID
J-1524801-1
Molecular Formula
C6H2Br4O2
Chinese Name
四溴代氢醌
Molecular Weight
425.695 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point252-255 °C(lit.)
Boiling Point304.4±37.0 °C at 760 mmHg
Density2.8±0.1 g/cm3
Flash Point137.9±26.5 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,3,5,6-Tetrabromo-1,4-benzenediol?

The CAS number of 2,3,5,6-Tetrabromo-1,4-benzenediol is 2641-89-6.

What are the molecular formula and molecular weight of 2,3,5,6-Tetrabromo-1,4-benzenediol?

2,3,5,6-Tetrabromo-1,4-benzenediol has molecular formula C6H2Br4O2 and molecular weight 425.695 g/mol.

Is 2,3,5,6-Tetrabromo-1,4-benzenediol hazardous?

2,3,5,6-Tetrabromo-1,4-benzenediol has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2,3,5,6-Tetrabromo-1,4-benzenediol (CAS 2641-89-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524801-1 (accessed 2026-10-25).

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