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| disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate Basic information |
| disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate Chemical Properties |
| disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate Usage And Synthesis |
Preparation | aniline diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling, product to diazo, and 1-(3-Nitrophenyl)-3-carboxy-5-pyrazolone-three, and then will the nitro reduction for amino. | Properties and Applications | bright orange. Soluble in water for palm light orange, orange soluble in alcohol. In the strong sulfuric acid to red, shallow orange for diluted. The dye solution to join strong hydrochloric acid for red orange, precipitation; Add thick sodium hydroxide solution for orange brown.
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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AATCC
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4
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1-2
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3
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3-4
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3-4
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| disodium 1-(3-aminophenyl)-4,5-dihydro-4-[[4-[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]phenyl]azo]-5-oxo-1H-pyrazole-3-carboxylate Preparation Products And Raw materials |
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