3,12,16,17-tetrachloroviolanthrene-5,10-dione

3,12,16,17-tetrachloroviolanthrene-5,10-dione Property

Density 

1.4781 (estimate)

EPA Substance Registry System

Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, 3,12,16,17-tetrachloro- (6373-20-2)

Hazard and Precautionary Statements (GHS)

3,12,16,17-tetrachloroviolanthrene-5,10-dione Chemical Properties,Usage,Production

Uses

C.I. Vat blue 22 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.

Preparation

Dinaphtho[1,2,3-cd:3′,2′,1′-lm]perylene-5,10-dione in solvent (Phthalic anhydride or 1,2,4 – Trichlorobenzene) in 140 ~ 145 ℃ chlorinated.

Properties and Applications

red light blue to red light navy blue. Dark blue powder. Alkaline reduction leuco for blue; Acid reduction leuco for purple. To cotton directness high. Used for dyeing cotton fabric for red light blue to red light navy blue. Also can be used for cotton fabric direct printing, color resist printing and discharge printing, also can be used for silk dyeing.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	4-5	4-5	6-7	3-4	4-5	4-5	5

References

[1] Gürses A, A??ky?ld?z M, Güne? K, et al. Dyes and pigments: their structure and properties[J]. Dyes and pigments, 2016: 13-29.