Preparation
1-Aminoanthracene-9,10-dione brominated, with aniline condensation, In the presence of potassium hydroxide alkoxylated with Lauryl chloride, and sulfonation..
Properties and Applications
blue purple. Red gray powder. The strong sulfuric acid are product red, blue purple turn after diluted, a precipitate; In nitric acid are brown. Blue light purple in aqueous solution, a precipitate; Add in aqueous solution hydrochloric acid or sodium hydroxide are in red light purple, and precipitation. Used for wool, silk and polyamide fiber dyeing and printing directly.
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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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5
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4-5
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5
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5
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4-5
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