red light purple. Soluble in water for red, solubility is 50 g/l (80 ℃), slightly soluble in alcohol, not soluble in acetone. In concentrated sulfuric acid to dark red light purple; In concentrated nitric acid to pink; In concentrated hydrochloric acid for brilliant red light wheat color. Mainly used for dyeing wool, dyeing scattered hair, tops and roughers, generally not used for printing.
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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
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Acid
|
|
ISO
|
|
6
|
4
|
|
4-5
|
5
|
5
|
