Vat Black 29

Dibenzo[def,mno]chrysene-6,12-dione,4,10-dibromo- and N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide(2 Moore) condensation.

4,10-Bis-(4'-benzoylaminoanthraquinonyl- 1'-amino)anthanthrone, Indanthren Grey BG, is prepared from 4,10-dibromoanthanthrone and 1-amino- 4-benzoylaminoanthraquinone in naphthalene .

blue light grey to navy blue. Black powder. Insoluble in water. In concentrated sulfuric acid for variegated dark green, dilution after dark green precipitation. Alkaline reduction leuco for bordeaux red; Acid reduction leuco for yellow brown. Mainly used for cotton fabric dyeing, suitable for suspension pad dyeing light gray and polyester/cotton blended fabric two bath process, a few used for cotton direct printing.?Also applies to silk, viscose, cotton / viscose, Victoria / cotton blended fabric dyeing, mixed colors good.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	4	4	6	3-4	4-5	4-5	5