52303-01-2

1,4,5,8-Tetrahydroxyanthracene-9,10-dione or 1,4-Dichloro-5,8-dihydroxyanthracene-9,10-dione?with aniline (2 Moore) condensation.

1,4-Dihydroxy-5,8-bis(phenylamino) anthraquinone, is prepared from 5,8-dichloro-1,4-dihydroxyanthraquinone and aniline or from leuco-tetrahydroxyanthraquinone and aniline in water or in pure aniline with the addition of boric acid.

green.

Standard	Ironing Fastness		Light Fastness	Persperation Fastness		Washing Fastness
	Fading	Stain		Fading	Stain	Fading	Stain
ISO	4-5	2-3	6	5	4-5	4	4