trans,trans-Dibenzylideneacetone

Also known as: Dibenzylideneacetone, dba, trans,trans-Dibenzalacetone, (1E,4E)-1,5-Diphenylpenta-1,4-dien-3-one, 1,5-Diphenyl-1,4-pentadien-3-one, Bis(2-phenylvinyl) ketone, Distyryl ketone, Dibenzalacetone, trans,trans-Distyryl ketone, 1,5-Diphenylpenta-1,4-dien-3-one, MFCD00004790, UNII:9QXO7BCY9L, EINECS 208-697-5

trans,trans-Dibenzylideneacetone (CAS 35225-79-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C17H14O and a molecular weight of 234.292 g/mol. Key properties include a melting point of 107-113 °C, a boiling point of 400.7±34.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 176.1±20.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 35225-79-7
Jingsj CID: J-1422729-7
Molecular Formula: C₁₇H₁₄O
Molecular Weight: 234.292 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	107-113 °C
Boiling Point	400.7±34.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	176.1±20.6 °C
Exact Mass	234.104462
PSA	17.07000
LogP	4.87
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.650

Customs & Trade Information

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of trans,trans-Dibenzylideneacetone?

The CAS number of trans,trans-Dibenzylideneacetone is 35225-79-7.

What are the molecular formula and molecular weight of trans,trans-Dibenzylideneacetone?

trans,trans-Dibenzylideneacetone has molecular formula C17H14O and molecular weight 234.292 g/mol.

What are the upstream and downstream products of trans,trans-Dibenzylideneacetone?

For trans,trans-Dibenzylideneacetone, Upstream Products: Benzaldehyde, 3-Benzylidene-2,4-pentanedione, trans-beta-Styrylboronic acid; Downstream Products: (S)-2-Phenylpropanoic acid, 2,6-Diphenyl-4H-thiopyran-4-one.

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. "trans,trans-Dibenzylideneacetone (CAS 35225-79-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422729-7 (accessed 2026-11-06).

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