Preparation
3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazo, and 3-Oxo-N-phenylbutanamide coupling, and then turn it into 1:2 cobalt complex.
Properties and Applications
dark yellow orange. Soluble in water for yellow orange, and adequate soluble in ethanol for orange. The strong sulfuric acid in orange, diluted the same color. In water solution to join hydrochloric acid for yellow orange, red orange precipitation; Add sodium hydroxide into scarlet.
Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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6
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4
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4-5
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4-5
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4
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4-5
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|
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