2,5-Diphenyloxazole 2,5-Diphenyloxazole

2,5-diphenyloxazole structural formula

2,5-diphenyloxazole structural formula

Structural formula

Business number 0253
Molecular formula C15H11NO
Molecular weight 221.25
label

2,5-diphenyl-1,3-oxazepine 2,5-diphenylazole

Numbering system

CAS number:92-71-7

MDL number:MFCD00005306

EINECS number:202-181-3

RTECS number:RP6825000

BRN number:157021

PubChem number:24893888

Physical property data

1. Character:Acicular crystals. Can evaporate slightly with water vapor.


2. Density (g/mL,25/4℃):1.0940


3. Relative vapor density (g/mL,AIR=1): Undetermined


4. Melting point (ºC): 74


5. Boiling point (ºC,Normal pressure):360


6. Boiling point (ºC, 94.7kpa): Undetermined


7. Refractive index:1.6231


8. Flash Point (ºC): 150


9. Specific optical rotation (º): Undetermined


10. Autoignition point or ignition temperature (ºC): Undetermined


11. Vapor pressure (kPa,25ºC): Undetermined


12. isotonic specific volume (90.2K):502.1


4. Surface Tension (dyne/cm):43.0


5. Polarizability10-24cm3): 26.09

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 26

7. Number of heavy atoms: 17

8. Surface charge: 0

9. Complexity: 231

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

This product should be sealed and stored in a cool place.


Synthesis method

will1gBenzoylaminobenzene Ethyl ketone is dissolved in5mlin sulfuric acid, heated over a water bath2min, pour into water, colorless crystals precipitate. Filter, there is petroleum ether (boiling range50-70) recrystallized to get2,5-Diphenyloxazole.

Purpose

Scintillation reagent.

tyle=”FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: 宋体; mso-ascii-font-family: ‘Times New Roman'”>℃) recrystallized to get2,5-Diphenyloxazole.

Purpose

Scintillation reagent.

BDMAEE:Bis (2-Dimethylaminoethyl) Ether

CAS NO:3033-62-3

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