2-Naphthalenesulfonic acid, 3-[(5-chloro-2-hydroxy-3-nitrophenyl)azo]-4-hydroxy-7-(phenylamino)-, monosodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
2-Amino-4-chloro-6-nitrophenol diazotization, in alkaline condition and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applications
Blue ash to blue black. Soluble in water for dark purple, soluble in ethanol for dark purple. In concentrated sulfuric acid to purple, after dilution for red brown. Dye aqueous solution to join concentrated hydrochloric acid for bordeaux red; Join concentrated sodium hydroxide solution for dark purple.
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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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6
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5
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5
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5
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5
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5
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2-Naphthalenesulfonic acid, 3-[(5-chloro-2-hydroxy-3-nitrophenyl)azo]-4-hydroxy-7-(phenylamino)-, monosodium salt Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
