trans-4,4'-Dibromostilbene

反式-4,4'-二溴二苯乙烯

Also known as: (E)-1,2-bis(4-bromophenyl)ethene, (E)-1,2-bis(4-bromophenyl)ethane, 4,4'-Dibromo-trans-stilbene, 4,4'-Dibromostilbene, 1,1'-(1E)-1,2-ethenediylbis(4-bromobenzene), 1,1'-[(E)-1,2-ethenediyl]bis(4-bromobenzene), 1,2-bis(4-bromophenyl)ethene, 1-bromo-4-[(E)-2-(4-bromophenyl)vinyl]benzene

trans-4,4'-Dibromostilbene (CAS 18869-30-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H10Br2 and a molecular weight of 338.037 g/mol. It is also known as (E)-1,2-bis(4-bromophenyl)ethene, (E)-1,2-bis(4-bromophenyl)ethane and 4,4'-Dibromo-trans-stilbene. Key properties include a melting point of 212ºC, a boiling point of 392.9±11.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 223.9±18.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18869-30-2
Jingsj CID
J-43771-2
Molecular Formula
C14H10Br2
Chinese Name
反式-4,4'-二溴二苯乙烯
Molecular Weight
338.037 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point212ºC
Boiling Point392.9±11.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point223.9±18.5 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of trans-4,4'-Dibromostilbene?

The CAS number of trans-4,4'-Dibromostilbene is 18869-30-2.

What are the molecular formula and molecular weight of trans-4,4'-Dibromostilbene?

trans-4,4'-Dibromostilbene has molecular formula C14H10Br2 and molecular weight 338.037 g/mol.

Is trans-4,4'-Dibromostilbene hazardous?

trans-4,4'-Dibromostilbene 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. "trans-4,4'-Dibromostilbene (CAS 18869-30-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43771-2 (accessed 2026-10-22).

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