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223999

Sigma-Aldrich

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

suitable for scintillation, 99%

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

Quality Level

Assay

99%

form

powder

mp

199-201 °C (lit.)

solubility

toluene: 50 mg/mL

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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1 of 4

This Item
39006210419F2456
Thiazole Orange Dye content ~90 %

Sigma-Aldrich

390062

Thiazole Orange

form

powder

form

powder

form

powder

form

powder

mp

199-201 °C (lit.)

mp

270 °C (dec.) (lit.)

mp

-

mp

320 °C (lit.)

solubility

toluene: 50 mg/mL

solubility

-

solubility

hot water: 50 mg/mL, green

solubility

-

ε (extinction coefficient)

≥47000 at 372-374 nm in dioxane

ε (extinction coefficient)

-

ε (extinction coefficient)

-

ε (extinction coefficient)

≥12000 at 282-286 nm, ≥39000 at 236-240 nm, ≥70000 at 488-492 nm

suitability

suitable for scintillation

suitability

-

suitability

-

suitability

-

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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Thin nano-porous silica films doped with high concentrations of fluorescent material, 2, 5-bis (5-tert-butyl-2-benzoxazolyl)-thiophene (BBOT) were prepared via a sol-gel process. Uniform and bright blue fluorescence was observed. Light emission properties of these organic molecule doped inorganic silica films, i.e.
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