Dibenzylideneacetone

Also known as: Dibenzalacetone, Distyryl ketone, 1,5-Diphenyl-1,4-pentadien-3-one, 1,5-Diphenylpenta-1,4-dien-3-one, (1E,4E)-1,5-diphenylpenta-1,4-dien-3-one, Bis(2-phenylvinyl) ketone, AKOS 213-33, DBA, MFCD00004790, EINECS 208-697-5, Styrol ketone

Dibenzylideneacetone (CAS 538-58-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C17H14O and a molecular weight of 234.29200 g/mol. Key properties include a melting point of 112-114ºC, a boiling point of 400.7ºC at 760 mmHg, a density of 1.1g/cm3 and a flash point of 176.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 538-58-9
Jingsj CID: J-1106641-9
Molecular Formula: C₁₇H₁₄O
Molecular Weight: 234.29200 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	112-114ºC
Boiling Point	400.7ºC at 760 mmHg
Density	1.1g/cm3
Flash Point	176.2ºC
Exact Mass	234.10400
PSA	17.07000
LogP	3.98230
Refractive Index	1.649

Activity & Biological Data

Target	Chitinase[1]
Additional Information	[1]. Niu X, Wang Z, Wang C, Wang H. Dibenzylideneacetone Overcomes Botrytis cinerea Infection in Cherry Tomatoes by Inhibiting Chitinase Activity. J Agric Food Chem. 2023 Nov 1.

Frequently Asked Questions

What is the CAS number of Dibenzylideneacetone?

The CAS number of Dibenzylideneacetone is 538-58-9.

What are the molecular formula and molecular weight of Dibenzylideneacetone?

Dibenzylideneacetone has molecular formula C17H14O and molecular weight 234.29200 g/mol.

What are the upstream and downstream products of Dibenzylideneacetone?

For Dibenzylideneacetone, Upstream Products: Benzaldehyde, Benzalacetone, Tris(dibenzylideneacetone)dipalladium(0); Downstream Products: 3-Benzyl-4-phenyl-2-butanone, trans,trans-Dibenzylideneacetone, Tris(dibenzylideneacetone)dipalladium-chloroform adduct.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Dibenzylideneacetone (CAS 538-58-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106641-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.