4,4'-Bis(3-aminophenoxy)diphenyl sulfone

4,4'-双(3-氨基苯氧基)二苯基砜

Also known as: 3,3'-[Sulfonylbis(4,1-phenyleneoxy)]dianiline, 3,3'-[Sulfonylbis(4,1-phenyleneoxy)]bis[benzenamine], Bis[4-(3-aminophenoxy)phenyl] sulfone, 3,3'-((Sulfonylbis(4,1-phenylene))bis(oxy))dianiline, 3,3'-(Sulfonylbis(4,1-phenyleneoxy))bisbenzenamine, Benzenamine, 3,3'-[sulfonylbis(4,1-phenyleneoxy)]bis-

4,4'-Bis(3-aminophenoxy)diphenyl sulfone (CAS 30203-11-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H20N2O4S and a molecular weight of 432.492 g/mol. It is also known as 3,3'-[Sulfonylbis(4,1-phenyleneoxy)]dianiline, 3,3'-[Sulfonylbis(4,1-phenyleneoxy)]bis[benzenamine] and Bis[4-(3-aminophenoxy)phenyl] sulfone. Key properties include a melting point of 132-135ºC, a boiling point of 648.7±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 346.1±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

30203-11-3

Jingsj CID

J-1131227-7

Molecular Formula

C₂₄H₂₀N₂O₄S

Chinese Name

4,4'-双(3-氨基苯氧基)二苯基砜

Molecular Weight

432.492 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026