Home Categories Catalyst and Auxiliary 2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-Benzoxazole
A1209512

2,2'-(2,5-thiophenediyl)bis[5-(1,1-dimethylethyl)-Benzoxazole , 99% , 7128-64-5

Synonym(s):
BBOT

CAS NO.:7128-64-5

Empirical Formula: C26H26N2O2S

Molecular Weight: 430.56

MDL number: MFCD00005774

EINECS: 230-426-4

Pack Size Price Stock Quantity
5G RMB24.80 In Stock
25G RMB48.80 In Stock
100G RMB144.00 In Stock
250G RMB319.20 In Stock
500g RMB431.20 In Stock
1Kg RMB828.80 In Stock
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Update time: 2022-07-08

PRODUCT Properties

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.
InChIKey AIXZBGVLNVRQSS-UHFFFAOYSA-N
LogP 8.6 at 25℃

Description and Uses

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.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P261-P271-P280
Risk Statements  36/37/38
Safety Statements  24/25
WGK Germany  1
RTECS  DM4888332
TSCA  Yes
HS Code  29349990
Toxicity LD50 orl-rat: >10 g/kg MVCRB3 2,193,1973

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