4-Formylbenzene-1,3-disulfonic acid (1 Moore) and N,N-dibenzylbenzenamine (2 Moore) condensation, and oxidation.
green light blue. Red light blue powder. The strong sulfuric acid for yellow brown colloidal, diluted into lake green, accompanied by precipitation; In nitric acid for old yellow glue shape. Water solution is blue lake, add a little precipitation hydrochloric acid, sodium hydroxide slightly to become yellow, and the precipitation. Used for wool, silk and fabric dyeing and printing, also can be used for leather dyeing.
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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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2
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4
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4-5
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5
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1-2
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4-5
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