1,4-diphenylbut-2-yne-1,4-dione

1,4-二苯基-2-丁炔-1,4-二酮

Also known as: Dibenzoylethyne, Dibenzoylacetylene, 1,2-Dibenzoylacetylene, 1,4-Diphenyl-2-butyne-1,4-dione, NSC 20233

1,4-diphenylbut-2-yne-1,4-dione (CAS 1087-09-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H10O2 and a molecular weight of 234.24900 g/mol. It is also known as Dibenzoylethyne, Dibenzoylacetylene and 1,2-Dibenzoylacetylene. Key properties include a melting point of 111.0-115.0°C, a boiling point of 384.5ºC at 760 mmHg, a density of 1.19g/cm3 and a flash point of 165.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1087-09-8
Jingsj CID
J-1116472-2
Molecular Formula
C16H10O2
Chinese Name
1,4-二苯基-2-丁炔-1,4-二酮
Molecular Weight
234.24900 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point111.0-115.0°C
Boiling Point384.5ºC at 760 mmHg
Density1.19g/cm3
Flash Point165.6ºC

Frequently Asked Questions

What is the CAS number of 1,4-diphenylbut-2-yne-1,4-dione?

The CAS number of 1,4-diphenylbut-2-yne-1,4-dione is 1087-09-8.

What are the molecular formula and molecular weight of 1,4-diphenylbut-2-yne-1,4-dione?

1,4-diphenylbut-2-yne-1,4-dione has molecular formula C16H10O2 and molecular weight 234.24900 g/mol.

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

Last updated:

How to cite: Jingsj. "1,4-diphenylbut-2-yne-1,4-dione (CAS 1087-09-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1116472-2 (accessed 2026-10-24).

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