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BIS(4-ETHYNYLPHENYL)ACETYLENE

1-乙炔-4-[(4-乙炔苯基)乙炔]苯

Also known as: 1,2-Bis(4-ethynylphenyl)ethyne, 1-ethynyl-4-[2-(4-ethynylphenyl)ethynyl]benzene, 4,4'-Diethynyltolan, 4,4'-diethynyltolane, Benzene,1-ethynyl-4-[2-(4-ethynylphenyl)ethynyl]-, HC2C6H4-4-C2C6H4-4-C2H

BIS(4-ETHYNYLPHENYL)ACETYLENE (CAS 153295-62-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H10 and a molecular weight of 226.27200 g/mol. It is also known as 1,2-Bis(4-ethynylphenyl)ethyne, 1-ethynyl-4-[2-(4-ethynylphenyl)ethynyl]benzene and 4,4'-Diethynyltolan. Key properties include a melting point of 186-190ºC, a boiling point of 355.7ºC at 760mmHg, a density of 1.12g/cm3 and a flash point of 162.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
153295-62-6
Jingsj CID
J-1478625-3
Molecular Formula
C18H10
Chinese Name
1-乙炔-4-[(4-乙炔苯基)乙炔]苯
Molecular Weight
226.27200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point186-190ºC
Boiling Point355.7ºC at 760mmHg
Density1.12g/cm3
Flash Point162.5ºC

Frequently Asked Questions

What is the CAS number of BIS(4-ETHYNYLPHENYL)ACETYLENE?

The CAS number of BIS(4-ETHYNYLPHENYL)ACETYLENE is 153295-62-6.

What are the molecular formula and molecular weight of BIS(4-ETHYNYLPHENYL)ACETYLENE?

BIS(4-ETHYNYLPHENYL)ACETYLENE has molecular formula C18H10 and molecular weight 226.27200 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-ETHYNYLPHENYL)ACETYLENE (CAS 153295-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1478625-3 (accessed 2026-10-26).

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