Preparation
Bis (4 -(dimethylamino) phenyl) methanol?and ?N,N-bis(3-sulfobenzyl)aniline?condensation, product with manganese dioxide or lamps in acetic acid in oxidation.
Properties and Applications
ed light purple. Soluble in water and ethanol is purple. The strong sulfuric acid for golden brown, diluted into light blue. In water solution to join, hydrogen oxidation is light blue.
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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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1-2
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3
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3
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3-4
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1
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3-4
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![hydrogen [4-[[4-[bis(3-sulphonatobenzyl)amino]phenyl][4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium, sodium salt Structure](https://www.chemicalbook.com/CAS/GIF/5905-37-3.gif)