2-Hydroxy-3-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-5-sulfobenzoic acid trisodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
3-Amino-2-hydroxy-5-sulfobenzoic acid diazotization, and 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
brilliant red light purple. Moderate soluble in water (in red) and ethanol (orange). In concentrated sulfuric acid for product red, orange for after diluted. Dye aqueous solution to join concentrated hydrochloric acid for nacarat, 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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5
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5
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4
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3
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5
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4-5
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5
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2-Hydroxy-3-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-5-sulfobenzoic acid trisodium salt Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte