4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile

4,4'-(丁-1,3-二炔-1,4-二基)二苯甲腈

Also known as: 4,4'-(1,3-Butadiyne-1,4-diyl)bis(benzonitrile), Benzonitrile, 4,4'-(1,3-butadiyne-1,4-diyl)bis-, 4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile

4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile (CAS 103140-39-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H8N2 and a molecular weight of 252.3 g/mol. It is also known as 4,4'-(1,3-Butadiyne-1,4-diyl)bis(benzonitrile) and Benzonitrile, 4,4'-(1,3-butadiyne-1,4-diyl)bis-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 103140-39-2
Jingsj CID: J-1392920-6
Molecular Formula: C₁₈H₈N₂
Chinese Name: 4,4'-(丁-1,3-二炔-1,4-二基)二苯甲腈
Molecular Weight: 252.3 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile?

The CAS number of 4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile is 103140-39-2.

What are the molecular formula and molecular weight of 4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile?

4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile has molecular formula C18H8N2 and molecular weight 252.3 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile (CAS 103140-39-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1392920-6 (accessed 2026-10-25).

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