Properties and Applications
blue light purple. Soluble in water. In concentrated sulfuric acid to dark red light purple, dilution after yellow. Dye aqueous solution to join concentrated hydrochloric acid don’t change color; Add sodium hydroxide as Red ocher solution.
|
Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
|
Alkali
|
Acid
|
|
ISO
|
4-5
|
6-7
|
4
|
3
|
4-5
|
4-5
|
5
|
