4,4'-Bis(bromomethyl)biphenyl

4,4'-双(溴甲基)联苯

Also known as: 4,4'-Bis(bromomethyl)-1,1'-biphenyl, 1,1'-Biphenyl, 4,4'-bis(bromomethyl)-, α,α′-Dibromo-p,p′-bitolyl, 4,4'-Dibromodimethylbiphenyl, 4,4'-bis (bromomethyl)-biphenyl

4,4'-Bis(bromomethyl)biphenyl (CAS 20248-86-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H12Br2 and a molecular weight of 340.053 g/mol. It is also known as 4,4'-Bis(bromomethyl)-1,1'-biphenyl, 1,1'-Biphenyl, 4,4'-bis(bromomethyl)- and α,α′-Dibromo-p,p′-bitolyl. Key properties include a melting point of 171°C, a boiling point of 399.8±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 228.9±25.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20248-86-6
Jingsj CID
J-1991120-3
Molecular Formula
C14H12Br2
Chinese Name
4,4'-双(溴甲基)联苯
Molecular Weight
340.053 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point171°C
Boiling Point399.8±37.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point228.9±25.7 °C

GHS Safety & Compliance

Corrosion / Irritant / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4,4'-Bis(bromomethyl)biphenyl?

The CAS number of 4,4'-Bis(bromomethyl)biphenyl is 20248-86-6.

What are the molecular formula and molecular weight of 4,4'-Bis(bromomethyl)biphenyl?

4,4'-Bis(bromomethyl)biphenyl has molecular formula C14H12Br2 and molecular weight 340.053 g/mol.

Is 4,4'-Bis(bromomethyl)biphenyl hazardous?

4,4'-Bis(bromomethyl)biphenyl has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "4,4'-Bis(bromomethyl)biphenyl (CAS 20248-86-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991120-3 (accessed 2026-10-22).

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