1-[4-(Phenylsulfonyl)phenyl]ethanone

Also known as: 4-Acetyldiphenyl sulfone, 4-Acetyldiphenylsulfone, 4-Acetyldiphenyl sulphone, 1-[4-(phenylsulfonyl)phenyl]ethan-1-one, 1-[4-(benzenesulfonyl)phenyl]ethanone, 4'-(phenylsulfonyl)acetophenone, 4'-benzenesulfonylacetophenone, p-acetophenyl phenyl sulfone, Ethanone, 1-[4-(phenylsulfonyl)phenyl]-

1-[4-(Phenylsulfonyl)phenyl]ethanone (CAS 65085-83-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H12O3S and a molecular weight of 260.308 g/mol. Key properties include a melting point of 138-140°C, a boiling point of 450.7±28.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 284.6±16.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 65085-83-8
Jingsj CID: J-1993906-1
Molecular Formula: C₁₄H₁₂O₃S
Molecular Weight: 260.308 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	138-140°C
Boiling Point	450.7±28.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	284.6±16.7 °C
Exact Mass	260.050720
PSA	59.59000
LogP	2.40
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.580

Customs & Trade Information

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-[4-(Phenylsulfonyl)phenyl]ethanone?

The CAS number of 1-[4-(Phenylsulfonyl)phenyl]ethanone is 65085-83-8.

What are the molecular formula and molecular weight of 1-[4-(Phenylsulfonyl)phenyl]ethanone?

1-[4-(Phenylsulfonyl)phenyl]ethanone has molecular formula C14H12O3S and molecular weight 260.308 g/mol.

What are the upstream and downstream products of 1-[4-(Phenylsulfonyl)phenyl]ethanone?

For 1-[4-(Phenylsulfonyl)phenyl]ethanone, Upstream Products: 4-(Phenylsulfonyl)benzonitrile, Methylmagnesium bromide, 4-Acetyldiphenyl Sulfide; Downstream Products: 4-Benzenesulfonylbenzoic 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-(Phenylsulfonyl)phenyl]ethanone (CAS 65085-83-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993906-1 (accessed 2026-11-09).

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