1-[4-(2-Phenyleth-1-ynyl)phenyl]ethan-1-one

Also known as: 1-(4-(2-phenylethynyl)phenyl)ethan-1-one, 1-(4-(2-phenylethynyl)phenyl)ethanone, 1-(4-PHENYLETHYNYL-PHENYL)-ETHANONE, 1-(4-acetylphenyl)-2-phenylethyne, 1-acetyl-4-(2-phenylethynyl)benzene, 4'-(PHENYLETHYNYL)ACETOPHENONE, 4-(2-phenylethynyl)acetophenone, 4-(PHENYLETHYNYL)ACETOPHENONE, 4-acetyldiphenylacetylene, 4-acetylphenyl(phenyl)acetylene, AKOS BAR-2466, Ethanone, 1-[4-(2-phenylethynyl)phenyl]-, MFCD00219774

1-[4-(2-Phenyleth-1-ynyl)phenyl]ethan-1-one (CAS 1942-31-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H12O and a molecular weight of 220.26600 g/mol. Key properties include a melting point of 99 °C, a boiling point of 377.2ºC at 760mmHg, a density of 1.12g/cm3 and a flash point of 165.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1942-31-0
Jingsj CID: J-1993429-3
Molecular Formula: C₁₆H₁₂O
Molecular Weight: 220.26600 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	99 °C
Boiling Point	377.2ºC at 760mmHg
Density	1.12g/cm3
Flash Point	165.3ºC
Exact Mass	220.08900
PSA	17.07000
LogP	3.28900
Vapor Pressure	6.84E-06mmHg at 25°C
Refractive Index	1.611

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-[4-(2-Phenyleth-1-ynyl)phenyl]ethan-1-one?

The CAS number of 1-[4-(2-Phenyleth-1-ynyl)phenyl]ethan-1-one is 1942-31-0.

What are the molecular formula and molecular weight of 1-[4-(2-Phenyleth-1-ynyl)phenyl]ethan-1-one?

1-[4-(2-Phenyleth-1-ynyl)phenyl]ethan-1-one has molecular formula C16H12O and molecular weight 220.26600 g/mol.

What are the upstream and downstream products of 1-[4-(2-Phenyleth-1-ynyl)phenyl]ethan-1-one?

For 1-[4-(2-Phenyleth-1-ynyl)phenyl]ethan-1-one, Upstream Products: 1-(4-Iodophenyl)ethanone, Phenylpropiolic acid, 1-phenyl-2-(trimethylsilyl)acetylene; Downstream Products: 4-acetylbibenzyl, 4-(2-Phenyleth-1-ynyl)benzaldehyde, 4-(Phenylethynyl)benzoic acid.

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-[4-(2-Phenyleth-1-ynyl)phenyl]ethan-1-one (CAS 1942-31-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993429-3 (accessed 2026-11-09).

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