Properties and Applications
dark purple. Soluble in water for red, soluble in ethanol for titian. In concentrated sulfuric acid for blue purple, red after diluted solution, and then a brick red precipitation. Dye aqueous solution to join concentrated hydrochloric acid to red; Join concentrated sodium hydroxide solution for orange.
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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
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Alkali
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Acid
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|
ISO
|
4
|
6
|
4
|
|
5
|
5
|
5
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