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4,4′-Bis(2-benzoxazolyl)stilbene

ALDRICH/368598 - 97%

Synonym: 1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene; 2,2′-(1,2-Ethenediyl)bis(4,1-phenylene)bisbenzoxazole; 2,2′-(1,2-Ethenediyldi-4,1-phenylene)bis[benzoxazole]; 2,2′-(Vinylenedi-p-phenylene)bisbenzoxazole; 2-[4-[2-[4-(1,3-Benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole; 4,4′-Di(benzoxazol-2-yl)stilbene; p,p′-Bis(2-benzoxazolyl)stilbene

CAS Number: 1533-45-5
Empirical Formula (Hill Notation): C28H18N2O2
Molecular Weight: 414.45
EC Number: 216-245-3
MDL Number: MFCD00022846
Linear Formula: C28H18N2O2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-368598-50G 50 g
 $93.50
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 368598-50G

 

λmax 372 nm
assay 97%
form powder
InChI 1S/C28H18N2O2/c1-3-7-25-23(5-1)29-27(31-25)21-15-11-19(12-16-21)9-10-20-13-17-22(18-14-20)28-30-24-6-2-4-8-26(24)32-28/h1-18H/b10-9+
InChI key ORACIQIJMCYPHQ-MDZDMXLPSA-N
mp >300 °C (lit.)
SMILES string c1ccc2oc(nc2c1)-c3ccc(C=Cc4ccc(cc4)-c5nc6ccccc6o5)cc3
Application: 4,4′-Bis(2-benzoxazolyl)stilbene (BBS) is suitable for use in the preparation of poly(propylene) (PP) films containing different concentrations of BBS. BBS may be employed as a viscosity-sensitive fluorophore to investigate the curing parameters in fabrication of UV-cured automotive organic protective coatings. BBS may be used in the preparation of polymeric film sensors based on excimer luminescence and responsive to both mechanical and temperature stress, by its dispersion into a thermoplastic aliphatic biodegradable polyester [poly(1,4-butylene succinate).
Application: Optical brightener for plastics
General description: 4,4′-Bis(2-benzoxazolyl)stilbene (BBS) is reported to exhibit consistently high absolute fluorescence quantum yields and a monoexponential lifetime in solutions. The photophysics of BBS dispersed in poly(propylene) (PP) films has been investigated. BBS is reported as a food-grade dye. BBS is also reported as excimer-forming, photoluminescent chromophore.
Packaging: 50 g in poly bottle
Purity 97%
mp >300 °C (lit.)
UNSPSC 12352100

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