Vat Red 38

2,4-Dichloro-6-aminodiphenyl ether and Methyl 1-chloro-9,10-dioxo-9,10-dihydroanthracene-2-carboxylate?condensation, hydrolysis, and then use Benzoyl chloride in 1,2-dichlorobenzene cyclization.

blue light pink. In alkaline solution of sodium hydrosulfite maroon; In the acidic insurance powder solution for dark orange.

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