CAS:9084-6-4 The product is acid-resistant, alkali-resistant, heat-resistant, hard water-resistant, and inorganic salt-resistant, and can be used simultaneously with anionic and non-ionic surfactants. It is easily soluble in water of any hardness, has excellent diffusibility and protective colloidal properties, has no surface activity such as penetrating foaming, has affinity for protein and polyamide fibers, but has no affinity for cotton, linen and other fibers. Used for dispersion, vat dyes are used as grinding and dispersing agents and as fillers in commercialization, and also as dispersing agents in the manufacture of lakes. Printing and dyeing industry is mainly used for vat dye suspension pad dyeing, color stabilizing acid dyeing and dispersion, and dyeing of soluble vat dyes. Stabilizer of latex in the rubber industry, and used as a leather tanning aid in the leather industry.