CAS NO:5242-49-9

EC NO:226-044-2

Molecular Formula:C₂₉H₂₀N₂O₂

Molecular Weight:428.4813

Synonyms:;KSN;FLUORESCENT BRIGHTENER-KSN;FBA 368;4.4-bis(5-methyl-2-benzoxoazol)-ethylene;Optical Brightener KSN;2-(4-{2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl}phenyl)-5-methyl-1,3-benzoxazole;ethyl (2E,4E)-5-phenyl-2-[(phenylcarbonyl)amino]penta-2,4-dienoate;2-(4-{(E)-2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl}phenyl)-5-methyl-1,3-benzoxazole;Optical Brightening Agent KSN;Fluorescent Brightener KS-N;Optical Brightner KSN;

Molecular Structure:

CAS NO:5089-22-5;63310-10-1

EC NO:225-803-5

Molecular Formula:C₂₄H₁₄N₂O₂

Molecular Weight:362.3802

Synonyms:;KCB;Fluorescent Brightener 367;FLUORESCENT BRIGHTENER-KCB;1,4-bis(benziazolyl-2-yl-)naphth-alene;FBA 367;1,4-Bis(2-benzoxazoly)naphthalene;Optical Brightener KCB;C.I. 367;Fluorescent Whitening Agent KCB;2,2'-naphthalene-1,4-diylbis(1,3-benzoxazole);Optical Brightening Agent KCB;Optical Brightner KCB;hostalux kcb;

Molecular Structure:

CAS NO:40470-68-6;164908-53-6

EC NO:254-935-6

Molecular Formula:C₃₀H₂₆O₂

Molecular Weight:418.5262

Synonyms:;CBS-127 (Fluorescent Brightener);Fluorescent Brightener FP-127;fluorescent brightener 378;4,4'-bis(2-methoxystyryl)-1,1'-biphenyl;1,1'-biphenyl-4,4'-bis[2-(methoxyphenyl)ethenyl];cbs-127;FBA 378;1,1'-biphenyl-4,4'-bis-benzoxazole;Optical Brightener FP;4,4'-bis[(E)-2-(2-methoxyphenyl)ethenyl]biphenyl;Optical brightener CBS-127;Fluorescent Whitening Agent FP-127;Optical Brightening Agent FP-127;Optical Brightner FP127;

Molecular Structure:

CAS NO:1533-45-5

EC NO:216-245-3

Molecular Formula:C₂₈H₁₈N₂O₂

Molecular Weight:414.4547

Synonyms:;Fluorescent Brightener OB-1;FBA393；2,2'-(4.4'-diphenol vinyl)di-henzoxazol ;2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole;FBA 393;4,4'-bis(benzoxazol-2-yl)stilbene;Optical Brightener OB-1;C.I. 393;Fluorescent whtening agent OB-1;Fluorescent Whitening Agent OB-1;2,2'-(ethene-1,2-diyldibenzene-4,1-diyl)bis(1,3-benzoxazole);2,2'-[(E)-ethene-1,2-diyldibenzene-4,1-diyl]bis(1,3-benzoxazole);Optical Brightening Agent OB-1;Optical Brightner OB-1;ptical Brightening Agent OB-1;4,4-Bis(2-Benzoxazolyl) Stilbene;

Molecular Structure:

CAS NO:7128-64-5;12224-40-7;52232-33-4

EC NO:230-426-4

Molecular Formula:C₂₆H₂₆N₂O₂S

Molecular Weight:430.5618

Synonyms:;Fluorescent Brightener OB;Fluorescent brightening agent 184;Fluorescent Whitening Agent OB;Optical Brightening Agent OB;Fluorescent Brightener 184;C.I. 184;Fluorescent Brightener OB-4;Fluorescent brightening agent 184;Optical Brightner OB;BBOT;C.I. Fluorescent Brightener 362;Uvitex 2B;TINOPAL CBS-X;UVITEX OB;UVITEX(R) 2B;TOSLAB 644820;2,5-BIS(5'-TERT-BUTYL-2'-BENZOXAZOLYL)THIOPHENE;2,5-BIS(5-TERT-BUTYL-2-BENZOXAZOLYL)THIOPHENE;2,5-BIS(5-TERT-BUTYL-BENZOXAZOL-2-YL)THIOPHENE;2,5-BIS(5-TERT-BUTYLBENZOXAZOYL)-2-THIOPHENE;2,5-BIS(5-T-BUTYL-2-BENZOXAZOLYL)THIOPHENE;2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene;

Molecular Structure:

CAS NO:39393-39-0

EC NO:208-953-6

Molecular Formula:C₂₉H₃₃ClN₂O₃

Molecular Weight:493.0369

Synonyms:;Xanthylium, 3,6-bis(diethylamino)-9-(2-(methoxycarbonyl)phenyl)-, chloride (1:1);Ethanaminium, N-(6-(diethylamino)-9-(2-(methoxycarbonyl)phenyl)-3H-xanthen-3-ylidene)-N-ethyl-, chloride;Xanthylium, 3,6-bis(diethylamino)-9-(2-(methoxycarbonyl)phenyl)-, chloride;N-(4-{bis[4-(dimethylamino)phenyl]methylidene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride;N-{6-(diethylamino)-9-[2-(methoxycarbonyl)phenyl]-3H-xanthen-3-ylidene}-N-ethylethanaminium chloride;

Molecular Structure: