4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, will the nitro reduction, and 4-Amino-N-(4-aminophenyl)benzamide?condensation , then the nitro reduction, and then diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one? coupling.
Properties and Applications
red light yellow. Moderate soluble in water for golden brown, soluble in ethanol. The strong sulfuric acid for gold in orange, for yellow brown after diluted. The dye solution to join strong hydrochloric acid for golden brown, precipitation; Add thick sodium hydroxide solution for gold orange.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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2-3
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3-4
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4-5
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2
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2
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4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte