Preparation
1-Methyl-2,4-dinitrobenzene and 4-(4-Aminophenyl)benzenamine with Sodium polysulfide in 200 ℃ calcination 4 hours, then use Sodium hydroxide treatment its product.
Properties and Applications
yellow brown. Slightly soluble in water. In the Sodium sulfide solution solubility is good, for yellow brown; In concentrated sulfuric acid slightly soluble in for yellow brown.
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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5
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3-4
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5
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(Alkali)4-5
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5
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4-5
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AATCC
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