Preparation
3-(Ethyl(phenyl)amino)methyl)benzenesulfonic acid (2 Moore) and Formaldehyde?condensation,Then in the N-ethyl-2-methylbenzenamine in the presence of a dichromate – sulfuric acid oxidation and its product.
Properties and Applications
bright blue purple. Soluble in water and ethanol is purple. The strong sulfuric acid for golden brown, diluted becomes shallow gray. The dye solution to join sodium hydroxide produced a purple precipitation.
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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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1
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3
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3
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3
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1
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3-4
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