6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-(4-Aminophenyl)benzenamine double nitriding, first and Benzene-1,3-diamine coupling, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling.
Properties and Applications
dark red light brown to dark red. Soluble in water for red, and adequate soluble in alcohol. The strong sulfuric acid for hidden cyan, diluted red for sauce. The dye solution to join strong hydrochloric acid for red sauce, precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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3-4
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3
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3
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3
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2-3
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6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte