2-[[6-[[(2-Carboxyphenyl)amino]sulfonyl]-2-hydroxy-1-naphthalenyl]azo]benzoic acid disodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
2-Aminobenzoic acid diazotization and 2-(2-Hydroxynaphthalene-6-sulfonamido)benzoic acid coupling.
Properties and Applications
dark yellow red. Soluble in water and ethanol as golden orange. In concentrated sulfuric acid to orange, orange for gold after diluted. Dye aqueous solution to join concentrated hydrochloric acid for orange; Join concentrated sodium hydroxide solution for orange.
Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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4-5
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7
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4-5
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3
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3-4
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5
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5
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2-[[6-[[(2-Carboxyphenyl)amino]sulfonyl]-2-hydroxy-1-naphthalenyl]azo]benzoic acid disodium salt Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte