Preparation
will the 4-Methylbenzene-1,3-diamine and 4-(4-Aminophenyl)benzenamine mixture and sulphur in 220 ~ 230 ℃ calcination, then use Sodium hydroxide deal with the molten material, filtering, and hydrochloric acid or to the solution through the air on precipitation. Contains large proportion of mixture of 4-(4-Aminophenyl)benzenamine?in low temperature vulcanizing generates a yellow adjustable dye.
Properties and Applications
dark yellow orange. In the Sodium sulfide solution solubility is good, for yellow orange; In concentrated sulfuric acid partly dissolved.
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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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4
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4
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3
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4
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5
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4
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AATCC
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