C.I. Vat Red 30 Chemical Properties,Usage,Production
Preparation
4-Hydroxy-3-nitrosonaphthalene-1-sulfonic acid in the presence of sulfuric acid and 4-Chlorobenzenamine condensation, then will product oxidation.
Properties and Applications
blue light red. In concentrated sulfuric acid to blue light red, dilution after red precipitation; In the basic insurance powder solution for dark purplish red.
