Bis(4-bromophenyl)acetylene
二(4-溴苯基)乙炔
Also known as: 1,2-bis(4-bromophenyl)ethyne, 4,4'-Dibromotolan, 4,4'-Dibromodiphenylacetylene, 1,2-bis(4-bromophenyl)acetylene, 1-bromo-4-[(4-bromophenyl)ethynyl]benzene, 4,4'-bis(bromophenyl)acetylene, Bis-(p-bromophenyl)acetylene, 1,1'-(1,2-Ethynediyl)bis(4-bromobenzene)
Bis(4-bromophenyl)acetylene (CAS 2789-89-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H8Br2 and a molecular weight of 336.021 g/mol. It is also known as 1,2-bis(4-bromophenyl)ethyne, 4,4'-Dibromotolan and 4,4'-Dibromodiphenylacetylene. Key properties include a melting point of 182ºC, a boiling point of 383.6±27.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 217.2±23.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2789-89-1
- Jingsj CID
- J-1448011-9
- Molecular Formula
- C14H8Br2
- Chinese Name
- 二(4-溴苯基)乙炔
- Molecular Weight
- 336.021 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 182ºC |
|---|---|
| Boiling Point | 383.6±27.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 217.2±23.0 °C |
Frequently Asked Questions
What is the CAS number of Bis(4-bromophenyl)acetylene?
The CAS number of Bis(4-bromophenyl)acetylene is 2789-89-1.
What are the molecular formula and molecular weight of Bis(4-bromophenyl)acetylene?
Bis(4-bromophenyl)acetylene has molecular formula C14H8Br2 and molecular weight 336.021 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Bis(4-bromophenyl)acetylene (CAS 2789-89-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1448011-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.