Preparation
4-Ethoxybenzenamine and 3′,4′,6′,7′-Tetrachlorofluoran?reaction, the products products, and translated into sodium salt.
Properties and Applications
red light blue. Soluble in water and dark for ethanol. The strong sulfuric acid for dark red jujube, diluted into blue precipitation. Sodium hydroxide solution in aqueous solution to join a red light purple precipitation.
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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3-4
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3-4
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4
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3
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1-2
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2-3
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