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

Description

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.

Specifications

Chemical Identifiers

• CAS: 7128-64-5
• Molecular Formula: C26H26N2O2S
• Molecular Weight (g/mol): 430.566
• MDL Number: MFCD00005774
• InChI Key: AIXZBGVLNVRQSS-UHFFFAOYSA-N
• Synonym: bbot, 2,5-bis 5-tert-butyl-2-benzoxazolyl thiophene, uvitex ob, 2,5-bis 5-tert-butyl benzo d oxazol-2-yl thiophene, bbot 150, 2,5-bis 5-tert-butylbenzoxazol-2-yl thiophene, benzoxazole, 2,2'-2,5-thiophenediyl bis 5-1,1-dimethylethyl, unii-w7ur9129gp, fluorescent brightener 184, 2,2'-2,5-thiophenediyl bis 5-tert-butylbenzoxazole
• PubChem CID: 292429
• IUPAC Name: 5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole
• SMILES: CC(C)(C)C1=CC2=C(C=C1)OC(=N2)C3=CC=C(S3)C4=NC5=C(O4)C=CC(=C5)C(C)(C)C

• Melting Point: 200°C to 202°C
• Quantity: 5 g
• Beilstein: 631803
• Solubility Information: Soluble in acetone and toluene. Insoluble in water.
• Formula Weight: 430.57
• Percent Purity: 99%
• Chemical Name or Material: 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene

RUO – Research Use Only