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| 7-Hydroxy-8-[[4'-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-1,3-naphthalenedisulfonic acid trisodium salt Basic information |
| 7-Hydroxy-8-[[4'-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-1,3-naphthalenedisulfonic acid trisodium salt Chemical Properties |
| 7-Hydroxy-8-[[4'-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-1,3-naphthalenedisulfonic acid trisodium salt Usage And Synthesis |
Preparation | 4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling. | Properties and Applications | dark blue purple. Soluble in water (for dark purple), ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid in blue, diluted dark purple for blue-ray, precipitation. Dyes to 10% hydrochloric acid solution for shallow dark purple; Add 10% sodium hydroxide solution micro red.
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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3
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5
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5
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2
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3
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| 7-Hydroxy-8-[[4'-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-1,3-naphthalenedisulfonic acid trisodium salt Preparation Products And Raw materials |
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