4,4'-diethynyldiphenylmethane

4,4'-二乙炔基二苯甲烷

Also known as: 4,4'-DIETHYNYLDIPHENYLMETHANE, bis-(4-ethynylphenyl)methane, 4-4'-diethynyldiphenyl methane, BIS-(4-ETHYNYLPHENYL)METHANE, Benzene, 1,1'-methylenebis[4-ethynyl-

4,4'-diethynyldiphenylmethane (CAS 6140-83-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H11N and a molecular weight of 217.26500 g/mol. It is also known as 4,4'-DIETHYNYLDIPHENYLMETHANE, bis-(4-ethynylphenyl)methane and 4-4'-diethynyldiphenyl methane. Key properties include a boiling point of 331.799ºC at 760 mmHg, a density of 1.074g/cm3 and a flash point of 147.61ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6140-83-6
Jingsj CID
J-1525794-3
Molecular Formula
C16H11N
Chinese Name
4,4'-二乙炔基二苯甲烷
Molecular Weight
217.26500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point331.799ºC at 760 mmHg
Density1.074g/cm3
Flash Point147.61ºC

Frequently Asked Questions

What is the CAS number of 4,4'-diethynyldiphenylmethane?

The CAS number of 4,4'-diethynyldiphenylmethane is 6140-83-6.

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

4,4'-diethynyldiphenylmethane has molecular formula C16H11N and molecular weight 217.26500 g/mol.

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

Last updated:

How to cite: Jingsj. "4,4'-diethynyldiphenylmethane (CAS 6140-83-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525794-3 (accessed 2026-10-25).

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