Dinatrium-5,5'-[thiobis(phenylenazo)]disalicylat Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-(4-Aminophenylthio)benzenamine and 4-(2-Aminophenylthio)benzenamine diazotization, and 2-Hydroxybenzoic acid?(2 Moore) coupling.
Properties and Applications
dark red light yellow. Soluble in water for green light yellow, slightly soluble in Cellosolve, almost insoluble in Etanol and Acetone. In concentrated sulfuric acid to dark red sauce, dilution after light yellow, In concentrated nitric acid for olive green. Dye aqueous solution to join concentrated hydrochloric acid for light yellow, Join concentrated Sodium hydroxide solution for golden orange.
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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4-5
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4-5
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4-5
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2-3
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4-5
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4-5
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5
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AATCC
|
3
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6
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5
|
|
5
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4-5
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Dinatrium-5,5'-[thiobis(phenylenazo)]disalicylat Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte