2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene, 99%, Thermo Scientific Chemicals
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene, 99%, Thermo Scientific Chemicals
Thermo Scientific Chemicals

2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene, 99%, Thermo Scientific Chemicals

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100 g
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25 g
Catalog number A14928.22
Price (USD)/ Each
356.65
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396.00 
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Quantity:
100 g
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Price (USD)/ Each
356.65
Online exclusive
396.00 
Save 39.35 (10%)
Add to cart
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene, 99%, Thermo Scientific Chemicals
Catalog numberA14928.22
Price (USD)/ Each
356.65
Online exclusive
396.00 
Save 39.35 (10%)
-
Add to cart
Chemical Identifiers
CAS7128-64-5
IUPAC Name5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole
Molecular FormulaC26H26N2O2S
InChI KeyAIXZBGVLNVRQSS-UHFFFAOYSA-N
SMILESCC(C)(C)C1=CC=C2OC(=NC2=C1)C1=CC=C(S1)C1=NC2=CC(=CC=C2O1)C(C)(C)C
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SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)Pale yellow to yellow
FormCrystals or powder or crystalline powder
Assay (HPLC)≥98.5%
Melting Point (clear melt)199.0-205.0?C
Identification (FTIR)Conforms
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene is used as an optical brightener which converts UV light into visible light. It is also used as a fluorescent brightener for thermoplastic resins of polyvinyl chloride, acrylic resin, polyester fiber, paint, coating and printing ink. It is also useful in detecting the presence of thin-film electrical contact lubricants.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene is used as an optical brightener which converts UV light into visible light. It is also used as a fluorescent brightener for thermoplastic resins of polyvinyl chloride, acrylic resin, polyester fiber, paint, coating and printing ink. It is also useful in detecting the presence of thin-film electrical contact lubricants.

Solubility
Soluble in acetone and toluene. Insoluble in water.

Notes
Incompatible with oxidizing agents.
RUO – Research Use Only

General References:

  1. Fourati, M. A.; Maris, T.; Skene, W. G.; Bazuin, C G.; Prud’homme, R. E. Photophysical, Electrochemical and Crystallographic Investigations of the Fluorophore 2,5-Bis(5-tert-butyl-benzoxazol-2-yl)thiophene. J. Phys. Chem. B 2011, 115 (43), 12362-12369.
  2. Giani, M.; Sist, P.; Berto, D.; Serrazanetti, G. P.; Ventrella, V.; Urbani, R. The organic matrix of pelagic mucilaginous aggregates in the Tyrrhenian Sea (Mediterranean Sea). Mar. Chem. 2012, 132, 83-94.