Fluorescent Brightener 28
[CAS 4404-43-7]

Identification

• Classification: Catalysts and additives >> Fluorescent whitening agent
• Name: Fluorescent Brightener 28
• Synonyms: 5-[[4-(Bis(2-Hydroxyethyl)Amino)-6-(Phenylamino)-1,3,5-Triazin-2-Yl]Amino]-2-[(E)-2-[4-[[4-(Bis(2-Hydroxyethyl)Amino)-6-(Phenylamino)-1,3,5-Triazin-2-Yl]Amino]-2-Sulfophenyl]Ethenyl]Benzenesulfonic Acid; 5-[[4-(Bis(2-Hydroxyethyl)Amino)-6-(Phenylamino)-1,3,5-Triazin-2-Yl]Amino]-2-[2-[4-[[4-(Bis(2-Hydroxyethyl)Amino)-6-(Phenylamino)-1,3,5-Triazin-2-Yl]Amino]-2-Sulfo-Phenyl]Vinyl]Benzenesulfonic Acid; 5-[[4-(Bis(2-Hydroxyethyl)Amino)-6-(Phenylamino)-1,3,5-Triazin-2-Yl]Amino]-2-[(E)-2-[4-[[4-(Bis(2-Hydroxyethyl)Amino)-6-(Phenylamino)-1,3,5-Triazin-2-Yl]Amino]-2-Sulfo-Phenyl]Vinyl]Benzenesulfonic Acid
• Molecular Formula: C₄₀H₄₄N₁₂O₁₀S₂
• Molecular Weight: 916.98
• CAS Registry Number: 4404-43-7
• EINECS: 224-548-7
• SMILES: C1=C([S](=O)(=O)O)C(=CC=C1NC2=NC(=NC(=N2)NC3=CC=CC=C3)N(CCO)CCO)\C=C\C6=C([S](=O)(=O)O)C=C(NC4=NC(=NC(=N4)NC5=CC=CC=C5)N(CCO)CCO)C=C6
• InChI: 1S/C40H44N12O10S2/c53-21-17-51(18-22-54)39-47-35(41-29-7-3-1-4-8-29)45-37(49-39)43-31-15-13-27(33(25-31)63(57,58)59)11-12-28-14-16-32(26-34(28)64(60,61)62)44-38-46-36(42-30-9-5-2-6-10-30)48-40(50-38)52(19-23-55)20-24-56/h1-16,25-26,53-56H,17-24H2,(H,57,58,59)(H,60,61,62)(H2,41,43,45,47,49)(H2,42,44,46,48,50)/b12-11+
• InChIKey: CNGYZEMWVAWWOB-VAWYXSNFSA-N

Properties

• Density: 1.598g/cm³ (Cal.)