Preparation
N-methyl-N-phenylnaphthalen-1-amine and 4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine reaction, and then will product (C.I. Basic Blue 8) made free base.
Properties and Applications
brilliant red light blue (NC raw lacquer). Soluble in cold water, soluble in hot water and ethanol for blue. In concentrated sulfuric acid for yellow brown, after diluted for the green, then become yellow brown. Dye aqueous solution to join sodium hydroxide have purple brown precipitation.
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Poor
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110
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110
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Insoluble
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No change
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Dissole
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![alpha,alpha-bis[4-(dimethylamino)phenyl]-4-(methylphenylamino)naphthalene-1-methanol Structure](https://www.chemicalbook.com/CAS/GIF/1325-85-5.gif)