4,4'-Sulfonylbis(benzene-1,2-diamine)

3,3',4,4'-四氨基二苯砜

Also known as: 3,3',4,4'-Tetraaminodiphenyl sulfone, 2-Amino-4-[(3,4-diaminophenyl)sulfonyl]phenylamine, bis(3,4-diaminophenyl) sulfone, 1,2-Benzenediamine, 4,4'-sulfonylbis-, 4,4'-sulfonyldi-o-phenylenediamine, 1,2-diamino-4-(3,4-diaminophenyl)sulfonylbenzene, NSC 86043

4,4'-Sulfonylbis(benzene-1,2-diamine) (CAS 13224-79-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H14N4O2S and a molecular weight of 278.33000 g/mol. It is also known as 3,3',4,4'-Tetraaminodiphenyl sulfone, 2-Amino-4-[(3,4-diaminophenyl)sulfonyl]phenylamine and bis(3,4-diaminophenyl) sulfone. Key properties include a boiling point of 631.1ºC at 760mmHg, a density of 1.489g/cm3 and a flash point of 335.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

13224-79-8

Jingsj CID

J-1506152-0

Molecular Formula

C₁₂H₁₄N₄O₂S

Chinese Name

3,3',4,4'-四氨基二苯砜

Molecular Weight

278.33000 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026