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| sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate Basic information |
| sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate Chemical Properties |
| sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate Usage And Synthesis |
Preparation | 5-Amino-2-methyl-N-phenylbenzenesulfonamide?diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid. | Properties and Applications | red light orange. Soluble in water for palm orange, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid for purple, orange and brown after diluted to appear red purple precipitation. In water solution to join strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution in red. Copper, iron ion in color shade darker. This product used for wool, silk, polyamide fiber and its blended fabric dyeing and printing, also can be used for leather color.
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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4-5
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3
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2
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3
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1
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2
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3
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3
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AATCC
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4
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2
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2
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2-3
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1
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1
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3
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3
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| sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate Preparation Products And Raw materials |
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