o-terphenyl o-terphenyl

structural formula

• numbering system
• physical property data
• toxicological data
• ecological data
• molecular structure data
• computing chemical data
• more
  • properties and stability
  • storage method
  • synthesis method
  • purpose

numbering system

cas number:84-15-1

mdl number:mfcd00003055

einecs number:201-517-6

rtecs number:wz6472000

brn number:1908446

pubchem number:24869417

physical property data

1. properties: white prismatic crystals (usually light yellow).

2. relative density (25℃, 4℃): 1.0218 ⁹³

3. relative density (20℃, 4℃): 1.05⁵⁶

4. melting point (ºc): 58

5. boiling point (ºc, normal pressure): 332℃

6. dissolved degree parameter (j·cm^-3)^0.5: 18.427

7. van der waals area (cm²· mol^-1): 1.508×10¹⁰

8. flash point (ºc): >110℃

9. van der waals volume (cm³·mol^-1): 133.400

10. critical temperature (k): 583.85

11. critical pressure (mpa): 2.99

12. critical density (g·cm^-3): 0.315

13. critical volume (cm ³·mol^-1): 731

14. critical compression factor: 0.307

15. eccentricity factor: 0.467

16. the logarithmic value of the oil-water (octanol/water) partition coefficient: undetermined

17. the upper limit of explosion (%, v/v): undetermined

18. lower explosion limit (%, v/v): undetermined

19. solubility: soluble in acetone, chloroform and benzene, insoluble in water

toxicological data

1. acute toxicity:

mouse caliber ld50: 51900mg/kg;

2. other multiple dose toxicity:

rat caliber tdl0: 15mg/kg/30d-i;

ecological data

���none

molecular structure data

1. molar refractive index: 75.43

2. molar volume (cm³/mol): 220.0

3. isotonic specific volume (90.2k ): 553.9

4. surface tension (dyne/cm): 40.2

5. dielectric constant (f/m): 2.85

6. extreme chemical rate (10^-24cm³): 29.90

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: 2

5. number of tautomers: none

6. topological molecule polar surface area 0

7. number of heavy atoms: 18

8. surface charge: 0

9. complexity: 206

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 yet

storage method

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

synthesis method

none yet

purpose

scintillation reagents.