Molecule structure of Fluorescent Brightener 264 (CAS NO.68971-49-3):

IUPAC Name: Hexasodium 2-[[4-[bis(2-hydroxyethyl)amino]-6-[4-[(E)-2-[4-[[4-[bis(2-hydroxyethyl)amino]-6-(2,5-disulfonatoanilino)-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]-3-sulfonatoanilino]-1,3,5-triazin-2-yl]amino]benzene-1,4-disulfonate 
Molecular Weight: 1369.12554 g/mol
Molecular Formula: C₄₀H₃₈N₁₂Na₆O₂₂S₆
H-Bond Donor: 8
H-Bond Acceptor: 34
Rotatable Bond Count: 20
Tautomer Count: 81
Exact Mass: 1367.993403
MonoIsotopic Mass: 1367.993403
Topological Polar Surface Area: 556
Heavy Atom Count: 86
Canonical SMILES: C1=CC(=C(C=C1NC2=NC(=NC(=N2)N(CCO)CCO)NC3=C(C=CC(=C3)S(=O)(=O)[O-])S=O)
(=O)[O-])S(=O)(=O)[O-])C=CC4=C(C=C(C=C4)NC5=NC(=NC(=N5)N(CCO)CCO)NC6=C(C=CC(=C6)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+]
Isomeric SMILES: C1=CC(=C(C=C1NC2=NC(=NC(=N2)N(CCO)CCO)NC3=C(C=CC(=C3)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-])/C=C/C4=C(C=C(C=C4)NC5=NC(=NC(=N5)N(CCO)CCO)NC6=C(C=CC(=C6)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+]
InChIKey: ZECOZQHKQDLCBT-IRTUOLCXSA-H
EINECS: 273-468-9
Product Categories of Fluorescent Brightener 264 (CAS NO.68971-49-3): Organics

 Fluorescent Brightener 264 (CAS NO.68971-49-3) is also named as 2,2'-(1,2-Ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-((2,5-disulfophenyl)amino)-1,3,5-triazin-2-yl)amino)benzenesulfonic acid) hexasodium salt ; 1,4-Benzenedisulfonic acid, 2,2'-(1,2-ethenediylbis((3-sulfo-4,1-phenylene)imino(6-(bis(2-hydroxyethyl)amino)-1,3,5-triazine-4,2-diyl)imino))bis-, hexasodium salt ; Hexasodium 2,2'-(vinylenebis((3-sulphonato-4,1-phenylene)imino(6-(bis(2-hydroxyethyl)amino)-1,3,5-triazine-4,2-diyl)imino))bis(benzene-1,4-disulphonate) ; Phorwite UW ; Blankophor BSU .