Vat Violet 13

Uses

Vat Violet 13, tech. is a dye used for dyeing cellulose fibers shade-stable tones.

Preparation

1,5-Dichloroanthracene-9,10-dione in the presence of copper with 2-Aminobenzoic acid (2 Moore) condensation, cyclization and then.

Properties and Applications

blue light purple. Deep purple powder. Insoluble in water, slightly soluble in Pyridine , 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene.The concentrated sulfuric acid is dark orange, diluted with purple precipitate. Shout of reducing leuco as dark blue; acidic reduction leuco brown. This product can be used for cotton fabric dyeing, as blue purple. Good affinity for cotton. Can also be used directly, anti-pollution and discharge printing can also be used for wool dyeing.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	5	5	7	4	4	4-5	4-5
AATCC	5	5	6-7	4	4