black. Soluble in water for magenta, right amount soluble in ethanol to red. In concentrated sulfuric acid for the blue black, dilution for red wine. Dye aqueous solution to join concentrated hydrochloric acid for red orange brown, precipitation, Join concentrated sodium hydroxide solution for red wine.
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Standard
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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
|
|
Alkali
|
Acid
|
|
ISO
|
4
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7
|
|
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4-5
|
4-5
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