Natrium-3-[(2,4-diaminophenyl)azo]-4-hydroxy-5-nitrobenzolsulfonat Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazotization, and Benzene-1,3-diamine coupling.
Properties and Applications
dark red light brown. Soluble in water for wine red to purplish red, soluble in ethanol for olive yellow brown. In concentrated sulfuric acid for orange to red light brown, dilution after golden yellow, yellow brown precipitation. Dye aqueous solution to join concentrated hydrochloric acid for golden orange; Join concentrated sodium hydroxide solution for red 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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5
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5
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5
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4
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4-5
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5
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5
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Natrium-3-[(2,4-diaminophenyl)azo]-4-hydroxy-5-nitrobenzolsulfonat Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte