368598

4,4′-Bis(2-benzoxazolyl)stilbene

97%

• Sinônimo(s): 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
• Fórmula empírica (Notação de Hill): C₂₈H₁₈N₂O₂
• Número CAS: 1533-45-5
• Peso molecular: 414.45
• Número CE: 216-245-3
• Número MDL: MFCD00022846
• Código UNSPSC: 12352100
• ID de substância PubChem: 24862920
• NACRES: NA.22

Propriedades

• Nível de qualidade: 100
• Ensaio: 97%
• forma: powder
• pf: >300 °C (lit.)
• λmax: 372 nm
• cadeia de caracteres SMILES: c1ccc2oc(nc2c1)-c3ccc(\C=C\c4ccc(cc4)-c5nc6ccccc6o5)cc3
• 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+
• chave InChI: ORACIQIJMCYPHQ-MDZDMXLPSA-N

Descrição

Descrição geral

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.

Aplicação

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).

Optical brightener for plastics

Informações de segurança

• Pictogramas: GHS07
• Palavra indicadora: Warning
• Frases de perigo: H315,H319,H335
• Declarações de precaução: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Classificações de perigo: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Órgãos-alvo: Respiratory system
• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable
• Equipamento de proteção individual: dust mask type N95 (US), Eyeshields, Gloves