2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Synonym(s):BBOT
- CAS NO.:7128-64-5
- Empirical Formula: C26H26N2O2S
- Molecular Weight: 430.56
- MDL number: MFCD00005774
- EINECS: 230-426-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-05 19:05:58
What is 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene?
Chemical properties
light yellow-green crystals
The Uses of 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
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.
The Uses of 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Optical brightener additive in polymers, fibers, films, inks, laquers, and paints. In liquid scintillators.
Flammability and Explosibility
Not classified
Safety Profile
Low toxicity by ingestion. Whenheated to decomposition it emits toxic vapors of NOx andSOx.
Properties and Applications
TEST ITEMS |
SPECIFICATION |
APPEARANCE |
LIGHT YELLOW OR MILK WHITE POWDER |
SHADE |
LIGHT YELLOWISH |
METLING POINT |
201-202 ° C |
PURITY |
99% min |
FINENESS |
300 mesh min |
SOLUBILITY |
hardly soluble in water,but soluble in paraffin, mineral oils and ordinary organic solvents. |
Properties of 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Melting point: | 199-201 °C(lit.) |
Boiling point: | 531.2±45.0 °C(Predicted) |
Density | 1.26 |
refractive index | 1.6360 (estimate) |
Flash point: | >350°C |
storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
solubility | toluene: soluble50mg/mL |
form | powder |
pka | 3.03±0.10(Predicted) |
color | Pale Green to Yellow |
Water Solubility | Soluble in acetone and toluene. Insoluble in water. |
λmax | 373nm(EtOH)(lit.) |
Merck | 14,1014 |
BRN | 631803 |
Stability: | Stable. Incompatible with strong oxidizing agents. |
CAS DataBase Reference | 7128-64-5(CAS DataBase Reference) |
NIST Chemistry Reference | Benzoxazole, 2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-(7128-64-5) |
EPA Substance Registry System | 2,2'-(2,5-Thiophenediyl)bis[5-tert-butylbenzoxazole] (7128-64-5) |
Safety information for 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
InChIKey | AIXZBGVLNVRQSS-UHFFFAOYSA-N |
Abamectin manufacturer
Jupiter Dyes Pvt Ltd
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