1-(4-Ethynylphenyl)ethanone

4-乙炔基苯乙酮

Also known as: 4-Acetylphenylacetylene, 4'-Ethynylacetophenone, 1-(4-Ethynyl-phenyl)-ethanone, 1-(4-Ethynylphenyl)ethan-1-one, Ethanone, 1-(4-ethynylphenyl)-, TIMTEC-BB SBB008828, p-Ethynylacetophenone

CAS No.
42472-69-5
Jingsj CID
J-1384772-2
Molecular Formula
C10H8O
Chinese Name
4-乙炔基苯乙酮
Molecular Weight
144.170 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point68ºC
Boiling Point241.8±23.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point96.2±17.6 °C

Frequently Asked Questions

What is the CAS number of 1-(4-Ethynylphenyl)ethanone?

42472-69-5

What are the molecular formula and molecular weight of 1-(4-Ethynylphenyl)ethanone?

C10H8O, molecular weight 144.170 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026