C26H26N2O2S
430.6 g/mol
Dye & Pigment
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
CAS7128-64-5EC230-426-4
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
optical brightener
This compound is a fluorophore based on a benzoxazole-thiophene structure, studied for its photophysical and electrochemical properties. It is primarily used as an optical brightener for polymers, fibers, and coatings.
Optical brightener for polymersOptical brightener for fibersOptical brightener for paints and inks
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Referencesame scaffold
Fba 185
CAS12224-41-8
Fluorescent brightener
Safety Reference
H413May cause long lasting harmful effects to aquatic life
Customs Tariff Classification
The international HS code for 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene (CAS 7128-64-5) is 2934.99, 3204.20.
HS code (international, 6-digit)
2934.99, 3204.20
EU CN code (8-digit)
2934 99 90, 3204 20 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole
InChIKey
AIXZBGVLNVRQSS-UHFFFAOYSA-N
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
Synonyms (41)
- BBOT
- BBOT 150
- BBOT;OB-FBA 184
- BRIGHTENER OB
- CI 515245
- FLUORESCENT BRIGHTENER 184
- Fluorescent Brightener 362
- KEYFLUOR WHITE PL
- TINOPAL OB
- UVITEX 3BSA
- Uvitex OB
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