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| 2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt Basic information |
| 2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt Chemical Properties |
| 2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt Usage And Synthesis |
Preparation | 4-Aminonaphthalene-1-sulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?in acid conditions coupled, then use 4-Methylbenzene-1-sulfonyl chloride esterification. | Properties and Applications | red light purple. Mainly used for the wool dyeing and printing.
Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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
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2-3
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3
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4-5
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3
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| 2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt Preparation Products And Raw materials |
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