223999

2,5-Bis(5-tert-butyl-benzoxazol-2-yl)thiophene

suitable for scintillation, 99%

• Synonym(s): BBOT
• Empirical Formula (Hill Notation): C₂₆H₂₆N₂O₂S
• CAS Number: 7128-64-5
• Molecular Weight: 430.56
• Beilstein/REAXYS Number: 631803
• EC Number: 230-426-4
• MDL number: MFCD00005774
• UNSPSC Code: 12171500
• PubChem Substance ID: 24853416
• NACRES: NA.47

Properties

• Quality Level: 200
• assay: 99%
• form: powder
• color: yellow to green
• mp: 199-201 °C (lit.)
• solubility: toluene: 50 mg/mL
• density: 1.272 g/cm³ at 20 °C
• ε (extinction coefficient): ≥47000 at 372-374 nm in dioxane
• suitability: suitable for scintillation
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: CC(C)(C)c1ccc2oc(nc2c1)-c3ccc(s3)-c4nc5cc(ccc5o4)C(C)(C)C
• InChI: 1S/C26H26N2O2S/c1-25(2,3)15-7-9-19-17(13-15)27-23(29-19)21-11-12-22(31-21)24-28-18-14-16(26(4,5)6)8-10-20(18)30-24/h7-14H,1-6H3
• InChI key: AIXZBGVLNVRQSS-UHFFFAOYSA-N

Description

General description

2,5-Bis(5-tert-butyl-benzoxazol-2-yl)thiophene known as BBT is a commercially available safe fluorescent brightener. It is a light-emitting chemical compound that is a benzoxazole derivative. The molecule has excellent UV-Visible absorption property and outstanding fluorescent ability. These physical properties allow them to act as high-performance photoinitiators. It is a commercially available safe fluorescent brightener. The molecule has excellent UV-Visible absorption property and outstanding fluorescent ability.

Application

2,5-Bis(5-tert-butyl-benzoxazol-2-yl)thiophene is usually used as an optical brightener. It is suitable for photoluminescence experiments on doped silica films. It is also suitable to visualize ultraviolet (UV)-patterned acrylic pressure-sensitive adhesives.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)