Preparation
4-(6-Perimidylamino)phenol?with Sodium polysulfide ethanol solution heating reflux 60 hours, again in the 102 ~ 103 ℃ heating over 12 hours, steamed out after ethanol, blowing air make its precipitation.?This is determined by indophenol perimidine?and 4-Aminophenol is treated with sodium hypochlorite, then with sodium sulfide derived.
Properties and Applications
dark blue light green. In the Sodium hydroxide and insurance powder solution for brown light yellow, In the Sodium sulfide solution for Copenhagen green; In concentrated sulfuric acid of insoluble.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Moderate
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Severe
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ISO
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3
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4-5
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4
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3
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