3,3'-Dibromo-4,4'-biphenol

3,3'-二溴-4,4'-联苯二酚

Also known as: 3,3'-Dibromo-[1,1'-biphenyl]-4,4'-diol, 3,3'-Dibromo-4,4'-dihydroxybiphenyl, 3,3'-Dibromobiphenyl-4,4'-diol, 3-bromo-4-(2-bromo-4-hydroxyphenyl)phenol

3,3'-Dibromo-4,4'-biphenol (CAS 189039-64-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H8Br2O2 and a molecular weight of 343.99900 g/mol. It is also known as 3,3'-Dibromo-[1,1'-biphenyl]-4,4'-diol, 3,3'-Dibromo-4,4'-dihydroxybiphenyl and 3,3'-Dibromobiphenyl-4,4'-diol. Key properties include a melting point of 122ºC, a boiling point of 361.4ºC at 760 mmHg, a density of 1.87g/cm3 and a flash point of 172.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 189039-64-3
Jingsj CID: J-7482-1
Molecular Formula: C₁₂H₈Br₂O₂
Chinese Name: 3,3'-二溴-4,4'-联苯二酚
Molecular Weight: 343.99900 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	122ºC
Boiling Point	361.4ºC at 760 mmHg
Density	1.87g/cm3
Flash Point	172.4ºC

Frequently Asked Questions

What is the CAS number of 3,3'-Dibromo-4,4'-biphenol?

The CAS number of 3,3'-Dibromo-4,4'-biphenol is 189039-64-3.

What are the molecular formula and molecular weight of 3,3'-Dibromo-4,4'-biphenol?

3,3'-Dibromo-4,4'-biphenol has molecular formula C12H8Br2O2 and molecular weight 343.99900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,3'-Dibromo-4,4'-biphenol (CAS 189039-64-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7482-1 (accessed 2026-10-23).

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