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6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt

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6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt Basic information
6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt Chemical Properties
Safety Information
  • Safety Statements 24/25
  • WGK Germany 3
  • HS Code 32041200
MSDS
6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt Usage And Synthesis
  • Chemical Propertiesdark blue fine crystalline powder
  • Preparation3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazotization, and 5-Hydroxynaphthalene-1-sulfonic acid?coupling.
  • Properties and Applicationsred light navy blue. This product soluble in water is purple, in the water solubility is 50 g/l (80 ℃), slightly soluble in alcohol. In concentrated sulfuric acid for blue purple, dilution to pink; In concentrated nitric acid for yellow brown. Its aqueous solution to join concentrated hydrochloric acid to red; With strong caustic for magenta. Mainly used for wool, silk, nylon dyeing and color matching dye.
    Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
    Alkali Acid
    ISO 5 6 4 4 4-5 4-5 4-5
    AATCC 4-5 7 4 4-5 5
6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt(3624-68-8)Related Product Information
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