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1,3-diphenyl-2-buten-1-one

Also known as: (2E)-1,3-diphenyl-2-buten-1-one, (Z)-1,3-diphenyl-2-buten-1-one, 1,3-diphenyl-2-buten-1-on, 1,3-diphenyl-2-butenone, 1,3-diphenylbut-2-en-1-one, 1-oxo-1,3-diphenyl-2-butene, Chalcone, beta-methyl-, DYPNONE, Dypenone (6ci), beta-Methylchalcone, beta-methyl-chalcon, beta-methylstyrylphenylketone, ar-Styrylacetophenone

1,3-diphenyl-2-buten-1-one (CAS 495-45-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H14O and a molecular weight of 222.28200 g/mol. Key properties include a boiling point of 342.5ºC at 760 mmHg, a density of 1.06 g/cm3 and a flash point of 150.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
495-45-4
Jingsj CID
J-1315787-4
Molecular Formula
C16H14O
Molecular Weight
222.28200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point342.5ºC at 760 mmHg
Density1.06 g/cm3
Flash Point150.1ºC
Exact Mass222.10400
PSA17.07000
LogP3.97280
Vapor Pressure7.5E-05mmHg at 25°C
Refractive Index1.586

Frequently Asked Questions

What is the CAS number of 1,3-diphenyl-2-buten-1-one?

The CAS number of 1,3-diphenyl-2-buten-1-one is 495-45-4.

What are the molecular formula and molecular weight of 1,3-diphenyl-2-buten-1-one?

1,3-diphenyl-2-buten-1-one has molecular formula C16H14O and molecular weight 222.28200 g/mol.

What are the upstream and downstream products of 1,3-diphenyl-2-buten-1-one?

For 1,3-diphenyl-2-buten-1-one, Downstream Products: 1,3,5-Triphenylbenzene, Acetophenone, benzoic acid.

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

Last updated:

How to cite: Jingsj. "1,3-diphenyl-2-buten-1-one (CAS 495-45-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1315787-4 (accessed 2026-11-09).

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