... : white or colorless crystals -Fast delivery -Good quality-Best service and Good reputation-All the inspections such as BV, SGS CERTIFICATE ... .001% Used: Widely usd in man-made fibers, paper, printing and dyeing, soap, dyes, textiles, pharmaceuticals, glass, enamel, metal products industrial ... (SGS,BV,CIQ,REACH)Manufacturer;CAS No:1310-73-2;water treatment/oil refining industry