3,7-Diamino-2,8-dimethyldibenzothiophene sulfone

3,7-二氨基-2,8-二甲基二苯并噻吩砜

Also known as: o-Tolidine sulfone, 2,8-Dimethyldibenzo[b,d]thiophene-3,7-diamine 5,5-dioxide, 3,7-Diamino-2,8-dimethyldibenzo[b,d]thiophene 5,5-dioxide, Dibenzo[b,d]thiophene-3,7-diamine, 2,8-dimethyl-, 5,5-dioxide, MFCD00039157

3,7-Diamino-2,8-dimethyldibenzothiophene sulfone (CAS 55011-44-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H14N2O2S and a molecular weight of 274.338 g/mol. It is also known as o-Tolidine sulfone, 2,8-Dimethyldibenzo[b,d]thiophene-3,7-diamine 5,5-dioxide and 3,7-Diamino-2,8-dimethyldibenzo[b,d]thiophene 5,5-dioxide. Key properties include a melting point of >350ºC(lit.), a boiling point of 579.7±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 304.4±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

55011-44-4

Jingsj CID

J-3448-9

Molecular Formula

C₁₄H₁₄N₂O₂S

Chinese Name

3,7-二氨基-2,8-二甲基二苯并噻吩砜

Molecular Weight

274.338 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026