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1,3-Diphenyl-2-propyn-1-one

Also known as: 1,3-Diphenylprop-2-yn-1-one, Benzoylphenylacetylene, Phenylethynyl phenyl ketone, 1-Benzoyl-2-phenylacetylene, β-Phenylpropiolophenone, Diphenylpropynone, Phenethynyl phenyl ketone

1,3-Diphenyl-2-propyn-1-one (CAS 7338-94-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H10O and a molecular weight of 206.23900 g/mol. Key properties include a melting point of 41-46ºC(lit.), a boiling point of 136-139ºC3 mm Hg(lit.), a density of 1.14g/cm3 and a flash point of >110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
7338-94-5
Jingsj CID
J-21540-7
Molecular Formula
C15H10O
Molecular Weight
206.23900 g/mol
Category
Ketones
Last updated
11/3/2026

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Physicochemical Properties

Melting Point41-46ºC(lit.)
Boiling Point136-139ºC3 mm Hg(lit.)
Density1.14g/cm3
Flash Point>110.0 °C
Exact Mass206.07300
PSA17.07000
LogP2.92100
Refractive Index1.622

Customs & Trade Information

HS Code2914399090
Summary2914399090. 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 1,3-Diphenyl-2-propyn-1-one?

The CAS number of 1,3-Diphenyl-2-propyn-1-one is 7338-94-5.

What are the molecular formula and molecular weight of 1,3-Diphenyl-2-propyn-1-one?

1,3-Diphenyl-2-propyn-1-one has molecular formula C15H10O and molecular weight 206.23900 g/mol.

What are the upstream and downstream products of 1,3-Diphenyl-2-propyn-1-one?

For 1,3-Diphenyl-2-propyn-1-one, Upstream Products: Benzenemethanol, α-(2-phenylethynyl)-, Iodobenzene, Phenylacetylene; Downstream Products: 4-Bromo-3,5-diphenylisoxazole, 2-Phenylimidazoline, Acetophenone.

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-propyn-1-one (CAS 7338-94-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21540-7 (accessed 2026-11-09).

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