Preparation
p-Chlorobenzaldehyde?(1 Moore) and N-butyl-N-phenyltaurine?(2 Moore) condensation, garnish with heavy chromate salt-oxalic acid oxidation, again with 4-Ethoxybenzenamine in molten state condensation.
Properties and Applications
bright blue. Dark blue powder, soluble in water, alcohol. The strong sulfuric acid for brown. This product copper ions in turn dark, encounter iron ion turn green turn dark. Mainly used for wool, silk and polyamide fiber 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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3
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3-4
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4
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4
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1-2
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4-5
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![hydrogen N-[4-[[4-[butyl(2-sulphonatoethyl)amino]phenyl][4-[(4-ethoxyphenyl)amino]phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]-N-(2-sulphonatoethyl)butylammonium, monosodium salt Structure](https://www.chemicalbook.com/CAS/GIF/5863-47-8.gif)