P3754

1,4-Bis(5-Phenyl-2-Oxazolyl)Benzen

BioReagent, suitable for scintillation

• Synonym(e): 2,2′-p-Phenylen-bis-(5-phenyloxazol), Di-(phenyl-5-oxazolyl-2)-1,4-benzol, POPOP
• Empirische Formel (Hill-System): C₂₄H₁₆N₂O₂
• CAS-Nummer: 1806-34-4
• Molekulargewicht: 364.40
• UNSPSC Code: 41116105
• NACRES: NA.32
• PubChem Substance ID: 24898445
• EC Number: 217-304-6
• Beilstein/REAXYS Number: 325741
• MDL number: MFCD00005309

Eigenschaften

• product line: BioReagent
• Quality Segment: 200
• form: powder
• mp: 242-246 °C (lit.)
• suitability: suitable for scintillation
• SMILES string: c1ccc(cc1)-c2cnc(o2)-c3ccc(cc3)-c4ncc(o4)-c5ccccc5
• InChI: 1S/C24H16N2O2/c1-3-7-17(8-4-1)21-15-25-23(27-21)19-11-13-20(14-12-19)24-26-16-22(28-24)18-9-5-2-6-10-18/h1-16H
• InChI key: MASVCBBIUQRUKL-UHFFFAOYSA-N

Beschreibung

General description

1,4-Bis(5-phenyl-2-oxazolyl) benzene, also known as POPOP, is a well-known scintillation luminophore. It is an efficient fluorescent organic compound with high stokes shift. The POPOP dye is photostable in polar protic and polar aprotic solvents. The resulting photochemical quantum yield and the photodecomposition rate depend on the solvent′s electron affinity.

Application

1,4-Bis(5-phenyl-2-oxazolyl) benzene or POPOP is widely used to detect radioactivity by scintillation counting.[1]

Features and Benefits

1,4-Bis(5-phenyl-2-oxazolyl) benzene or POPOP has the following advantages:

• High fluorescence quantum yield.[2]
• High molar absorptivity.
• Large Stokes Shift.[2]
• High Photostability in most organic solvents.

Sicherheitshinweise

• pictograms: GHS07
• signalword: Warning
• hcodes: H302,H319
• pcodes: P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2
• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves