Preparation
2,2′,5,5′-Tetramethyl-4,4′-diamino-2”-chlorotriphenylmethane double nitrogen, and Naphthalen-2-ol (2 Moore) coupling.
Properties and Applications
yellow red. Soluble in ethanol, acetone and benzene, insoluble in water. In concentrated sulfuric acid to green light yellow, to orange after diluted; In concentrated sodium hydroxide solution insoluble.
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-General
|
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120≥ 120Sublimation
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Insoluble
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General
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Well
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