Dinatrium-3-hydroxy-4-(4-phenylazo)phenylazo)naphthalin-2,7-disulfonat Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-(Phenyldiazenyl)benzenamine diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications
Brilliant red. ?Soluble in water for red, soluble in soluble fiber element, not soluble in ethanol and organic solvents. The strong sulfuric acid for purple, after diluted purple precipitation; In nitric acid solution for blue, then turn amber color with black precipitation. In water solution to join 10% sodium hydroxide solution appear purple red light.
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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AATCC
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4
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1-2
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1
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2
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2-3
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Dinatrium-3-hydroxy-4-(4-phenylazo)phenylazo)naphthalin-2,7-disulfonat Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte