Fluorescent Brightener CBS-X, CAS No. 27344-41-8

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27344-41-8

Catalog No. EBD39352

CAS 27344-41-8

Name Fluorescent Brightener CBS-X

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Basic Information

Synonyms: 2,2'-((1,1'-biphenyl)-4,4'-diyldi-2,1-ethenediyl)bis-benzenesulfonicaci 2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-benzenesulfonicacidi 2,2'-(4,4'-biphenylylenedivinylene)di-benzenesulfonicacidisodiumsalt Benzenesulfonicacid,2,2'-[(1,1'-biphenyl)-4,4'-diyldi-2,1-ethenediyl]bis-,disodiumsalt disodium4,4'-bis(2-sulfostyryl)biphenyl tinopalcbs fluorescentbrightenercbs-x disodium2,2'-[biphenyl-4,4'-diyldi(E)ethene-2,1-diyl]dibenzenesulfonate disodium2,2'-[biphenyl-4,4'-diyldi(Z)ethene-2,1-diyl]dibenzenesulfonate 4,4'-Bis-(2-sulfostyryl)-biphenyldisodiumsalt OpticalBrighteningAgentCBS-X OpticalBrightnerCBS-X 2,2'-([1,1'-Biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-benzenesulfonicaciddisodiumsalt BrightenerBR49

Molecular Formula: C28H20Na2O6S2

Molecular Weight: 562.56

MDL Number: MFCD00318874

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > Dye Precursors Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors

Product Description:

4,4'-Bis(2-sulfonatostyryl)biphenyl, disodium salt, is an organic compound featuring a biphenyl core symmetrically substituted with two styryl groups, each bearing a sulfonate sodium salt. This structure imparts water solubility and strong fluorescence properties, making it a key member of the fluorescent whitening agent (FWA) family, specifically known as a distyrylbiphenyl derivative. Its primary and most significant application is as an optical brightener or fluorescent whitening agent (FBA) in the paper, detergent, and textile industries. It absorbs ultraviolet light and re-emits it as blue visible light, thereby compensating for the yellowish tint of substrates and enhancing perceived whiteness and brightness. It is particularly valued for its high whitening efficiency and good substantivity to cellulose fibers. Beyond traditional whitening, this compound's strong fluorescence and conjugated electronic structure also make it a candidate material for research in organic light-emitting diodes (OLEDs) and other optoelectronic devices, where it can function as a blue-emitting layer or a host material component.

Physical Properties

Density: 1.414