Preparation
2-Amino-6-chloro-4-nitrophenol diazotization, and 4,5-Diamino-1-naphthalenesulfonic acid?coupling, ?Then with nitrous acid to form a triazine compound.
Properties and Applications
dark blue light green. Soluble in water for bordeaux to jam red, slightly soluble in ethanol to purple. In concentrated sulfuric acid to green light blue, dilution after orange red brown. Dye aqueous solution to join concentrated hydrochloric acid for orange red brown; Join concentrated sodium hydroxide solution for purple black.
Standard
|
Ironing Fastness
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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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Water
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Alkali
|
Acid
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ISO
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5
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4
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3-4
|
|
5
|
5
|
5
|