1-[(2-Hydroxy-3,5-dinitrophenyl)azo]-2-naphthol Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
2-Amino-4,6-dinitrophenol diazotization, and Naphthalen-2-ol coupling.
Properties and Applications
blue light grey. Soluble in hot water for red brown, soluble in ethanol for brilliant purple, insoluble in benzene. In concentrated sulfuric acid to purple, red brown after dilution precipitation; In concentrated nitric acid for red solution, and then into a pale yellow; In concentrated hydrochloric acid in red brown precipitation.
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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4-5
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4-5
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4
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5
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5
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1-[(2-Hydroxy-3,5-dinitrophenyl)azo]-2-naphthol Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte