Preparation
The 85.8 parts of?4-Methylbenzene-1,3-diamine , 42 parts of?4-(4-Aminophenyl)benzenamine, 36 parts of ?M-nitroaniline and 600 parts of ?mixture of sulfur in the 220 ~ 240 ℃ calcination 9 hours, in Sodium sulfide solution treatment its product, and acid precipitation (BIOS?1155,37). With 4-Aminophenol instead of M-nitroaniline?get similar dye.
Properties and Applications
yellow brown. In the Sodium sulfide solution solubility is very good, for red orange; In concentrated sulfuric acid to light brown, diluted the same color.
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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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3-4
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3-4
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3-4
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4
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4
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3
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