1-(4-Phenoxyphenyl)ethanone

4'-苯氧基苯乙酮

Also known as: 4'-Phenoxyacetophenone, 1-Acetyl-4-phenoxybenzene, 4-Acetyldiphenyl Ether, p-Phenoxyacetophenone, 4-Phenoxyacetophenone, MFCD00008744, NSC 39658

1-(4-Phenoxyphenyl)ethanone (CAS 5031-78-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H12O2 and a molecular weight of 212.244 g/mol. It is also known as 4'-Phenoxyacetophenone, 1-Acetyl-4-phenoxybenzene and 4-Acetyldiphenyl Ether. Key properties include a melting point of 50-52 °C(lit.), a boiling point of 345.9±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 148.9±16.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5031-78-7
Jingsj CID: J-20726-7
Molecular Formula: C₁₄H₁₂O₂
Chinese Name: 4'-苯氧基苯乙酮
Molecular Weight: 212.244 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	50-52 °C(lit.)
Boiling Point	345.9±0.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	148.9±16.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

The CAS number of 1-(4-Phenoxyphenyl)ethanone is 5031-78-7.

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

1-(4-Phenoxyphenyl)ethanone has molecular formula C14H12O2 and molecular weight 212.244 g/mol.

Is 1-(4-Phenoxyphenyl)ethanone hazardous?

1-(4-Phenoxyphenyl)ethanone has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(4-Phenoxyphenyl)ethanone (CAS 5031-78-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20726-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.