p-tetraphenyl

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Structural formula of 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.

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