... Salt free dy leather blue dye acid blue CAS No.2650-18-2Other NamesACID BLUE FG,BRILLANT BLUE FCFMFC37H38N3NAO9S3EINECS No.220-168 ... rose-red powderSTRENGTH200% 260%The product can be used for the dyeing and printing of wool, silk, nylon and ... detergent(swimming pool disinfection, toilets cleaner, detergent), fertilizer dyeing for marks, anti-freezing agent dyeing, wood preservative, match dyeing, ...