Dinatrium-5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulfonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylat Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-(4-Aminophenyl)benzenamine double nitriding, respectively with 2-Hydroxybenzoic acid and?6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling.
Properties and Applications
dark red red to blue light. Soluble in water is cherry red. The strong sulfuric acid for dark red light purple, diluted for brown. The dye solution to join strong hydrochloric acid have brown light purple precipitation; Add thick sodium hydroxide solution for red light brown, a brick red precipitate
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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4-5
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3-4
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3-4
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3
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2-3
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Dinatrium-5-[[4'-[[7-(acetylamino)-1-hydroxy-3-sulfonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylat Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte