Preparation
N-2,6-dimethylphenyl-2-naphthylamineand N,N-diethyl-4-nitrosobenzenamine reaction, the products and2-(N-ethylamino)-5-diaminotoluenecondensation, in addition add N,N-diethyl-4-nitroso-o-toluidineas oxidant, garnish with 32% of hair smoke two stlfonation sulfuric acid, and finally into sodium salt.
Properties and Applications
blue. For violet is soluble in water, soluble in ethanol to blue. The strong sulfuric acid for green, diluted into purple. In aqueous solution for wine red and join sodium hydroxide with precipitation; Join hydrochloric acid as red wine.
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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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4
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3
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3
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3-4
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3-4
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3
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![5-[(4-Ethylamino-5-methyl-2-sulfonatophenyl)amino]-9-diethylamino-7-(2,6-dimethyl-3-sodiosulfophenyl)benzo[a]phenazin-7-ium Structure](https://www.chemicalbook.com/CAS/GIF/6378-87-6.gif)