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1,5-diphenyl-1,3,5-pentanetrione

1,5-二苯基-1,3,5-戊烷三酮

Also known as: 1,3-dibenzoylacetone, 1,5-diphenylpentane-1,3,5-trione, 1,3,5-pentanetrione,1,5-diphenyl-, NSC 154656, NSC 631644, 2-propanone,1,3-dibenzoyl-, acetone, s-dibenzoyl-

1,5-diphenyl-1,3,5-pentanetrione (CAS 1467-40-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C17H14O3 and a molecular weight of 266.29100 g/mol. It is also known as 1,3-dibenzoylacetone, 1,5-diphenylpentane-1,3,5-trione and 1,3,5-pentanetrione,1,5-diphenyl-. Key properties include a melting point of 107-109ºC, a boiling point of 422.7ºC at 760mmHg, a density of 1.172g/cm3 and a flash point of 182.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1467-40-9
Jingsj CID
J-1515197-9
Molecular Formula
C17H14O3
Chinese Name
1,5-二苯基-1,3,5-戊烷三酮
Molecular Weight
266.29100 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point107-109ºC
Boiling Point422.7ºC at 760mmHg
Density1.172g/cm3
Flash Point182.6ºC

Frequently Asked Questions

What is the CAS number of 1,5-diphenyl-1,3,5-pentanetrione?

The CAS number of 1,5-diphenyl-1,3,5-pentanetrione is 1467-40-9.

What are the molecular formula and molecular weight of 1,5-diphenyl-1,3,5-pentanetrione?

1,5-diphenyl-1,3,5-pentanetrione has molecular formula C17H14O3 and molecular weight 266.29100 g/mol.

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

Last updated:

How to cite: Jingsj. "1,5-diphenyl-1,3,5-pentanetrione (CAS 1467-40-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515197-9 (accessed 2026-10-22).

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