Brilliant blue light red. Soluble in water for amaranth. In concentrated sulfuric acid for red, dilution after red orange. Dye aqueous solution to join concentrated hydrochloric acid for red orange.
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Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
|
Alkali
|
Acid
|
|
ISO
|
4
|
3
|
5
|
|
5
|
4-5
|
5
|