1-Phenyl-2-propyn-1-one

Also known as: Propiolophenone, Ethynyl phenyl ketone, Benzoylacetylene, Phenyl ethynyl ketone, 1-Phenylprop-2-yn-1-one, 1-Oxo-2-propynylbenzene, 1-Phenylpropynone, 1-benzoyl-2-propyn-1-one, 3-oxo-3-phenylpropyne, Propynophenone, Propioloylbenzene

1-Phenyl-2-propyn-1-one (CAS 3623-15-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H6O and a molecular weight of 130.14300 g/mol. Key properties include a melting point of 50-51 ℃, a boiling point of 213.7ºC at 760mmHg, a density of 1.073g/cm3 and a flash point of 76.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3623-15-2
Jingsj CID: J-28501-6
Molecular Formula: C₉H₆O
Molecular Weight: 130.14300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	50-51 ℃
Boiling Point	213.7ºC at 760mmHg
Density	1.073g/cm3
Flash Point	76.6ºC
Exact Mass	130.04200
PSA	17.07000
LogP	1.50250
Refractive Index	1.552

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 1-Phenyl-2-propyn-1-one?

The CAS number of 1-Phenyl-2-propyn-1-one is 3623-15-2.

What are the molecular formula and molecular weight of 1-Phenyl-2-propyn-1-one?

1-Phenyl-2-propyn-1-one has molecular formula C9H6O and molecular weight 130.14300 g/mol.

What are the upstream and downstream products of 1-Phenyl-2-propyn-1-one?

For 1-Phenyl-2-propyn-1-one, Upstream Products: 1-Phenyl-2-propyn-1-ol, Bis(4-chlorophenyl) diselenide, Benzaldehyde; Downstream Products: 1,3-Diphenyl-2-propyn-1-one, 1,3,5-Tribenzoylbenzene.

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. "1-Phenyl-2-propyn-1-one (CAS 3623-15-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28501-6 (accessed 2026-11-06).

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