CAS NO:12224-06-5

EC NO:241-883-4

Molecular Formula:C₃₆H₃₄N₁₂Na₂O₈S₂

Molecular Weight:872.8403

Synonyms:;disodium 2,2'-(E)-ethene-1,2-diylbis[5-({4-[(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl}amino)benzenesulfonate];Optical Brightener VBL;Fluorescent brightener VBL;

Molecular Structure:

CAS NO:13001-40-6;13001-39-3

EC NO:235-836-7;235-835-1

Molecular Formula:C₂₄H₁₆N₂

Molecular Weight:332.3972

Synonyms:;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;

Molecular Structure:

CAS NO:121-03-9

EC NO:204-445-3

Molecular Formula:C₇H₇NO₅S

Molecular Weight:217.1992

Synonyms:;4-Nitrotoluene-2-sulfonic acid;2-Methyl-5-nitrobenzenesulfonic acid;2-methyl-4-nitrobenzenesulfonic acid;

Molecular Structure:

CAS NO:2870-32-8

EC NO:220-698-2

Molecular Formula:C₃₀H₂₆N₄Na₂O₈S₂

Molecular Weight:680.659

Synonyms:;C.I. 24895;C.I. Direct Yellow 12;CI 24895;Direct Yellow 12;chrysophenine (C.I. 24895);Chrysophenine G;disodium 2,2'-(E)-ethene-1,2-diylbis{5-[(E)-(4-ethoxyphenyl)diazenyl]benzenesulfonate};disodium 2,2'-(Z)-ethene-1,2-diylbis{5-[(E)-(4-ethoxyphenyl)diazenyl]benzenesulfonate};Direct Yellow 12;Direct yellow-12;DY12 dye;

Molecular Structure:

CAS NO:81-11-8

EC NO:201-325-2

Molecular Formula:C₁₄H₁₄N₂O₆S₂

Molecular Weight:370.4008

Synonyms:;2,2'-(1,2-Ethylenediyl)bis(5-aminobenzenesulfonic acid); Amsonic acid;4,4'-Diaminostilbene-2,2'-Disulfonic Acid;2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid);4,4'-Diamino-2,2'-stilbenedisulfonic acid;DSD Acid;4,4-Diaminodiphenylethylene-2,2-disulfonic acid;

Molecular Structure:

CAS NO:128-42-7

EC NO:204-885-6

Molecular Formula:C₁₄H₁₀N₂O₁₀S₂

Molecular Weight:430.37

Synonyms:;4,4-Dinitrostilbene-2,2-disulfonic acid;4,4'-Dinitrostilbene-2,2'-Disulfonic Acid;2,2'-ethene-1,2-diylbis(5-nitrobenzenesulfonic acid);sodium 5-nitro-2-[2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonate;4,4-Diamino-2,2-stilbene-Disulfonic Acid;

Molecular Structure: