2779-21-7

Basic information

• Product Name: 4,4'-azobis(benzenesulfonic acid)
• Synonyms: 4,4'-azobis(benzenesulfonic acid);4,4'-Azobenzenedisulfonic acid;Azobenzene-4,4'-bissulfonic acid;Azobenzene-4,4'-disulfonic acid;4-Azophenylsulfonate
• CAS NO: 2779-21-7
• Molecular Formula: C₁₂H₁₀N₂O₆S₂
• Molecular Weight: 342.35
• Mol File: 2779-21-7.mol
• Article Data: 4

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: 1.6g/cm³
• CAS DataBase Reference: 4,4'-azobis(benzenesulfonic acid)(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4'-azobis(benzenesulfonic acid)(2779-21-7)
• EPA Substance Registry System: 4,4'-azobis(benzenesulfonic acid)(2779-21-7)

Safety Data

• Hazardous Substances Data: 2779-21-7(Hazardous Substances Data)

Upstream product

• 121-57-3 4-aminobenzene sulfonic acid 
• 121-47-1 3-aminobenzenesulfonic acid 
• 7647-01-0 hydrogenchloride 
• 732921-44-7 4,4'-hydrazo-bis-benzenesulfonic acid 
• 7664-93-9 sulfuric acid 
• 1227476-15-4 Azobenzene 
• 7782-50-5 chlorine 
• 144-80-9 sulphaacetamide 

Downstream Products

• 99447-77-5 4,4'-diazenediyl-bis-benzenesulfonyl chloride 
• 2050-16-0 4,4'-dihydroxyazobenzene 
• 732921-44-7 4,4'-hydrazo-bis-benzenesulfonic acid 
• 121-57-3 4-aminobenzene sulfonic acid 

Relevant articles and documents

Colorant with double catechol structure, preparation method and applications thereof

The invention relates to the technical field of organic colorants, and particularly provides a colorant with a double catechol structure, a preparation method and applications thereof, wherein the colorant has a structural general formula represented by a

Degradation studies on sulphacetamide eye-drops. Part I

-