Natrium-6-hydroxy-5-[(2-hydroxy-5-nitrophenyl)azo]naphthalin-2-sulfonat Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
2-Amino-4-nitrophenol diazotization, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
blue light red. Soluble in water for orange brown, right amount soluble in ethanol. In concentrated sulfuric acid for red, to orange after diluted. Dye aqueous solution to join concentrated hydrochloric acid for orange; With strong caustic for orange brown.
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
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5
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|
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4-5
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4-5
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4
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Natrium-6-hydroxy-5-[(2-hydroxy-5-nitrophenyl)azo]naphthalin-2-sulfonat Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte