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disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate

Basic information Safety Related Supplier
disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate Basic information
disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate Usage And Synthesis
  • Preparation5-Amino-4-methoxy-2-(4-amino-5-methoxy-2-sulfophenyl)benzenesulfonic acid?double nitriding, and Naphthalen-2-ol (2 Moore) coupled.
  • Properties and Applicationsred. Moderate soluble in water and acetone in deep red, slightly soluble in alcohol. The strong sulfuric acid for purple, after diluted blue-purple precipitation. Add sodium hydroxide dark precipitation.
    Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
    Fading Stain Fading Stain Fading Stain
    ISO 2 3-4 4 3-4
disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate (6428-81-5)Related Product Information
disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-disulphonate SupplierMore