12270-53-0

OBA 191 uvitex sfc Phorwite CL Blankophor Ch blankophor cl Blankophor CLE OPTICAL BRIGHTENER 191 fluorescent brightener 191 FLUORESCENT BRIGHTENER CL-L OPTICAL BRIGHTENER CL C.I.191 OPTICAL BRIGHTENING AGENT 191 Optical Brightening Agent CL-L C.I. Fluorescent Brightener 191 Fluorescent brightening agent 191 Fluorescent Brightener 191 ISO 9001：2015 REACH