... ISO 9001-2008 CERTIFICATE Salt free dy leather blue dye acid blue CAS No.2650-18-2Other NamesACID BLUE ... wool mixture fabric; also can be used as food dye and organic pigment, industrial detergent, civilian detergent(swimming pool ... disinfection, toilets cleaner, detergent), fertilizer dyeing for marks, anti-freezing agent dyeing, wood preservative, match dyeing, crop protective material (pesticide, ...