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223999

Sigma-Aldrich

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

suitable for scintillation, 99%

Synonym(s):

BBOT

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About This Item

Empirical Formula (Hill Notation):
C26H26N2O2S
CAS Number:
Molecular Weight:
430.56
Beilstein:
631803
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

Quality Level

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

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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.

related product

Product No.
Description
Pricing

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Kjeld W Meereboer et al.
Scientific reports, 11(1), 911-911 (2021-01-15)
Worldwide, improper disposal of plastics is instigating environmental initiatives to combat plastics accumulation of in the environment and the world's oceans. Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) biocomposites with Miscanthus (Misc) fibres and distillers' dried grains with solubles (DDGS) were studied to ascertain if
Sudha M Srinivasan et al.
Review journal of autism and developmental disorders, 5(2), 156-175 (2018-10-16)
Literature on effects of equine therapy in individuals with autism spectrum disorder (ASD) has grown in recent times. Equine therapy is an alternative multimodal intervention that involves utilizing a horse to enhance core impairments in ASD. Recent systematic reviews in
Eva E Stüeken et al.
Rapid communications in mass spectrometry : RCM, 34(18), e8821-e8821 (2020-05-03)
Elemental abundances and isotopic ratios of carbon, nitrogen, sulfur and hydrogen have become important tools for reconstructing the evolution of Earth and life over geologic timescales, requiring accurate and precise analytical methods with high sample throughput. However, these measurements may
M Amine Fourati et al.
The journal of physical chemistry. B, 115(43), 12362-12369 (2011-09-16)
The photophysics of 2,5-bis(5-tert-butyl-benzoxazol-2-yl)thiophene (BBT) were investigated for assessing its limitations for use as a universal fluorophore and as a viable sensor for both polymeric and solution studies. This is of importance given the limitations of currently used materials. BBT's
Michał Rybak et al.
Water research, 173, 115602-115602 (2020-02-20)
Eutrophication of water bodies markedly reduces their recreational and economic use, which in turn compels those interested to pursuing prompt and effective restoration. This also applies to waters with a moderate pool of biogenic resources which, following temporarily increased nutrient

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