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

Also known as: o-Bromanil, Tetrabromo-o-benzoquinone, 3,4,5,6-Tetrabromo-3,5-cyclohexadiene-1,2-dione, Isobromanil, Tetrabromo-1,2-benzoquinone, Tetrabromo-o-quinone, NSC 9002, EINECS 219-426-5

3,4,5,6-Tetrabromo-1,2-benzoquinone (CAS 2435-54-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6Br4O2 and a molecular weight of 423.67900 g/mol. Key properties include a melting point of 148-151ºC(lit.), a boiling point of 197.9ºC at 760 mmHg, a density of 3.127g/cm3 and a flash point of 37.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2435-54-3
Jingsj CID: J-1361961-9
Molecular Formula: C₆Br₄O₂
Molecular Weight: 423.67900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	148-151ºC(lit.)
Boiling Point	197.9ºC at 760 mmHg
Density	3.127g/cm3
Flash Point	37.7ºC
Exact Mass	419.66300
PSA	34.14000
LogP	3.14100
Vapor Pressure	0.369mmHg at 25°C
Refractive Index	1.806

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 3,4,5,6-Tetrabromo-1,2-benzoquinone?

The CAS number of 3,4,5,6-Tetrabromo-1,2-benzoquinone is 2435-54-3.

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

3,4,5,6-Tetrabromo-1,2-benzoquinone has molecular formula C6Br4O2 and molecular weight 423.67900 g/mol.

What are the upstream and downstream products of 3,4,5,6-Tetrabromo-1,2-benzoquinone?

For 3,4,5,6-Tetrabromo-1,2-benzoquinone, Upstream Products: Tetrabromocatechol, Catechol, 3-Nitrocatechol; Downstream Products: Tetrabromocatechol.

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. "3,4,5,6-Tetrabromo-1,2-benzoquinone (CAS 2435-54-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361961-9 (accessed 2026-11-09).

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