p-tetraphenyl
Structural formula
| Business number | 03QG |
|---|---|
| Molecular formula | C24H18 |
| Molecular weight | 306.40 |
| label |
4,4′-diphenylbiphenyl, tetraphenyl, Benzerythrene, 4,4′-Diphenylbiphenyl, Quadriphenyl, aromatic compounds |
Numbering system
CAS number:135-70-6
MDL number:MFCD00003062
EINECS number:205-213-4
RTECS number:None
BRN number:1912745
PubChem number:24855586
Physical property data
1. Boiling point (ºC): 428 (2399pa)
2. Melting point (ºC): 320
3. Relative density (d25 4) ：1.074
Toxicological data
None
Ecological data
None
Molecular structure data
Molecular property data:
1. Molar refractive index: 100.02
2. Molar volume (cm3/mol): 285.2
3. Isotonic specific volume (90.2K): 727.3
4. Surface tension (3.0 dyne/cm): 42.2
5. Polarizability (0.5 10-24cm3): 39.65
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: 0
4. Number of rotatable chemical bonds: 3
5. Number of tautomers: none
6. Topological molecule polar surface area 0
7. Number of heavy atoms: 24
8. Surface charge: 0
9. Complexity: 308
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
1. White flaky crystals. Easily soluble in boiling nitrobenzene, toluene, pyridine, quinoline, ethyl benzoate and amyl acetate, slightly soluble in 500 parts of boiling benzene, and almost insoluble in ethanol and ether. Melting point 316~318℃. Boiling point 428℃ (2.40kPa). Maximum absorption wavelength 430nm
2. Exists in mainstream smoke.
Storage method
Should be kept sealed.
Synthesis method
None
Purpose
Scintillation reagents. Laser dye.