12225-72-8

Red light brown. Dark brown powder. 20 ℃ when solubility of 200 g/L. After dyeing color shade of red brown, dye in bath of iron and copper ions are tiny have light changes (4 ~ 5 grade). The dye uptake of the high, the reaction of the medium, and easy to wash the gender is good.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	4	4	3	4-5	3	4-5	4-5