Fluorescent brightener 199

Optical Brightening Agent ER-Ⅲ; 1,4'-bis(2-cyanostyryl) Benzole; optical brightener 199; C.I.199; 1,4-BIS(4-CYANOSTYRYL)BENZENE; 4,4'-(p-phenylenediethene-2,1-diyl)bisbenzonitrile; Optical Brightening Agent ER C. I. 199; Benzonitrile, 4,4-(1,4-phenylenedi-2,1-ethenediyl)bis-; 1,4'-bis(2-cyanostyryl) Benzene; Optical Brightener ER; 1,4'-bis(2,4'-cyano-phenlene)-benzene; Optical Brightener ER II; Fluorescent Brightener ER-1; C.I. 199; 4,4'-(benzene-1,4-diyldiethene-2,1-diyl)dibenzonitrile; 4,4'-[benzene-1,4-diyldi(E)ethene-2,1-diyl]dibenzonitrile; 2-[2-[4-[2-(2-cyanophenyl)vinyl]phenyl]vinyl]benzonitrile; FBA 199; Fluorescent Brightener ER-I; Fluorescent Brightener; Fluorescent Brightener ER; 1,4-Bis(2-cyanostyryl)benzene; High Efficient Fluorescent whitening Agent CBS; Optical Brightener; Optical Brightening Agent; Fluorescent Whitening Agent; Fluorescent Brightener; Fluorescent Brightening Agent; Optical Whitening Agent; Optical Brightening Agent ER-III; Fluorescent Brightener ER-Ⅰ; ER-Ⅰ; Optical Brightening Agent ER-Ⅰ; Optical Brightner ER-I; Optical Brightner ER-III

13001-40-6;13001-39-3