5-[[2-[(2-Amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo]-4-sulfophenyl]sulfonyl]-2-hydroxybenzoic acid trisodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
2-Hydroxy-5-(2-amino-4-sulfophenylsulfonyl)benzoic acid?diazotization, under acid condition and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
brilliant blue light red. Soluble in water for red, slightly soluble in ethanol for magenta. In concentrated sulfuric acid for orange brown, dilution after pink. Dye aqueous solution to join concentrated hydrochloric acid to red; Join concentrated sodium hydroxide solution for purple.
Standard
|
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
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6
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5
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4
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4-5
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5
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5
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5-[[2-[(2-Amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo]-4-sulfophenyl]sulfonyl]-2-hydroxybenzoic acid trisodium salt Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte