2-(Phenylsulfonyl)aniline

2-氨基二苯砜

Also known as: 2-Aminodiphenylsulfone, 2-Aminophenyl phenyl sulfone, 2-(benzenesulfonyl)aniline, 2-(phenylsulfonyl)benzenamine, o-Aminodiphenyl sulfone, 2-Aminophenyl phenyl sulphone

2-(Phenylsulfonyl)aniline (CAS 4273-98-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H11NO2S and a molecular weight of 233.286 g/mol. It is also known as 2-Aminodiphenylsulfone, 2-Aminophenyl phenyl sulfone and 2-(benzenesulfonyl)aniline. Key properties include a melting point of 120-122 °C(lit.), a boiling point of 439.6±28.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 219.7±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4273-98-7
Jingsj CID
J-1990847-8
Molecular Formula
C12H11NO2S
Chinese Name
2-氨基二苯砜
Molecular Weight
233.286 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point120-122 °C(lit.)
Boiling Point439.6±28.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point219.7±24.0 °C

Frequently Asked Questions

What is the CAS number of 2-(Phenylsulfonyl)aniline?

The CAS number of 2-(Phenylsulfonyl)aniline is 4273-98-7.

What are the molecular formula and molecular weight of 2-(Phenylsulfonyl)aniline?

2-(Phenylsulfonyl)aniline has molecular formula C12H11NO2S and molecular weight 233.286 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(Phenylsulfonyl)aniline (CAS 4273-98-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990847-8 (accessed 2026-10-24).

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