170697-23-1

Basic information

• Product Name: Benzenesulfonic acid, 3,4-dicyano-
• CAS NO: 170697-23-1
• Molecular Formula: C8H4N2O3S
• Molecular Weight: 208.197
• Mol File: 170697-23-1.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: Benzenesulfonic acid, 3,4-dicyano-(CAS DataBase Reference)
• NIST Chemistry Reference: Benzenesulfonic acid, 3,4-dicyano-(170697-23-1)
• EPA Substance Registry System: Benzenesulfonic acid, 3,4-dicyano-(170697-23-1)

Safety Data

• Hazardous Substances Data: 170697-23-1(Hazardous Substances Data)

Upstream product

• 56765-79-8 3,4-dicyanoaniline 
• 170697-25-3 3,4-dicyanobenzenesulfonyl chloride 
• 70484-01-4 4-bromo-1,2-dicyanobenzene 

Relevant articles and documents

SYNTHESIS OF SULFONATED 1,2-DICYANOBENZENES

Employing the corresponding halogen or amino (via the diazonium salts) substituted 1,2-dicyanobenzenes as starting materials 2,3- and 3,4-dicyanobenzenesulfonic acids (3) and (4) are synthesized.Several intermediates useful for the preparation of the sulfonic acids (3) and (4) are also obtained: 3- and 4-mercapto-1,2-dicyanobenzenes (5), (16), 2,3- and 3,4-dicyanobenzenesulfonyl chlorides (10), (11), bis(2,3-dicyanophenyl)- and bis(3,4-dicyanophenyl)-disulfides (14), (15), and several sulfonamides (17)-(24) (from the sulfochlorides (10), (11).In addition, the synthesis of 4-(4-phonoxy-1,2-dicarbonitrile)benzenesulfonic acid (26) is described. Key words: Dicyanobenzenesulfonic acids, 1,2-dicyanobenzene substituted, phthalonitrile substituted.