Dinatrium-4-[(2-hydroxy-6-sulfonatonaphthyl)azo]naphthalinsulfonat Chemische Eigenschaften,Einsatz,Produktion Methoden
Verwenden
Disodium 4-[(2-hydroxy-6-sulfonato-1-naphthyl)diazenyl]-1-naphthalenesulfonate is a monoazo dye with fluorescent properties. It is a ground water pollutant, removed via photodegradation.
synthetische
4-Aminonaphthalene-1-sulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
red. Soluble in water is cherry red, slightly soluble in ethanol (the pale of the red light purple), almost insoluble in acetone. Strong sulfuric acid in purple, will have its dilution cherry red (produced orange precipitation); Meet nitric acid for yellow light red. Its water solution with hydrochloric acid for yellow orange; Add thick sodium hydroxide solution for orange light brown. Used for wool, silk dyeing, can also be used for the feathers, paper, soap, leather, wood, cosmetics and pharmaceutical color.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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
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2-3
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3
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2
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1-2
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2-3
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Dinatrium-4-[(2-hydroxy-6-sulfonatonaphthyl)azo]naphthalinsulfonat Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
