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

Catalog No. AAA1492822
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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.

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

Specifications

Melting Point

200°C to 202°C

Quantity

100 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

EINECSNumber

230-426-4

RTECSNumber

DM4888332

TSCA

Yes

Recommended Storage

Ambient temperatures
SDS

RUO – Research Use Only

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