1-(1-ナフチルアゾ)-2-ナフトール 化学特性,用途語,生産方法
外観
黄赤色~褐色~濃い紫色粉末~結晶
製造方法
Naphthalen-1-amine diazotization and Naphthalen-2-ol coupling.
Properties and Applications
yellow red. From toluene in the crystallization product melting point 224 ℃. Soluble in hot ethanol and benzene in red. In concentrated sulfuric acid to red light blue, dilution to red light purple solution, and then have red brown precipitation. Dye ethanol solution to join concentrated hydrochloric acid is dark red; Join concentrated sodium hydroxide solution for bright red light brown. Mainly used in oil, fat and wax, soap coloring.
Standard
|
Light Fastness
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Heat-resistant(℃)
|
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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General
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220
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150≥ 220
Sublimation
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Insoluble
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No change
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No change
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1-(1-ナフチルアゾ)-2-ナフトール 上流と下流の製品情報
原材料
準備製品