Preparation
4-Amino-N-ethyl-N-(naphthalen-1-yl)benzarnide diazo, and 4-Benzamido-5-hydroxynaphthalene-1,7-disulfonic acid9?coupling.
Properties and Applications
colourful red to blue light red. Soluble in water for red, moderate soluble in alcohol for product red. The strong sulfuric acid for product red, diluted into a peach. In water solution to join strong hydrochloric acid for product red; Add thick sodium hydroxide solution for orange brown
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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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4
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5
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4
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2
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4
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4-5
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4-5
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AATCC
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4-5
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4
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4
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4
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2
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2-3
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4
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4
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