Physical and chemical constants:

 

1. Properties: Colorless transparent liquid with aromatic smell.

 

2. Melting point (℃) : -97

 

3. Boiling point (℃) : 39.8

 

4. Relative density (water =1) : 1.33

 

5. Relative vapor density (air =1) : 2.93

 

6. Saturated vapor pressure (kPa) : 46.5 (20℃)

 

7. Combustion heat: 106.8kcal/mol (25℃ by oxygen)

 

8. Critical temperature (℃) : 237

 

9. Critical pressure (MPa) : 6.08

 

10. Octanol/water partition coefficient: 1.25

 

11. Flash point (° C) : 30

 

12. Ignition temperature (℃) : 556

 

13. Explosion limit (%) : 23

 

14. Lower explosive limit (%) : 13

 

15. Solubility: slightly soluble in water, soluble in ethanol, ether.

 

16. Viscosity (mPa·s, 20oC) : 0.425

 

17. Relative density (25℃, 4℃) : 1.3162

 

18. Ignition Point (oC) : 662

 

19. Heat of evaporation (KJ/mol, b.p.) : 329.5

 

20. Heat of melting (KJ/mol) : 4.187

 

21. Heat of formation (KJ/mol, 25oC, liquid) : 121.54

 

22. Heat of combustion (KJ/kg, 25oC, liquid) : 558.27

 

23. Specific heat capacity (KJ/(kg·K), 20oC) : 0.992

 

24. Electrical conductivity (S/m, 25oC) :

 

25. Vapor pressure (kPa, 0oC) : 19.7

 

26. Vapor pressure (kPa, 10oC) : 30.6

 

27. Vapor pressure (kPa, 20oC) : 46.5

 

28. Vapor pressure (kPa, 30oC) : 68.2

 

29. Vapor pressure (kPa, 35oC) : 80.00

 

30. Expansion coefficient (10~40oC, liquid) : 0.00137

 

31. Refractive index (n25) at normal temperature: 1.4213

 

32. Eccentric factor: 0.192

 

33.Lennard-Jones parameter (A) : 9.951

 

34.Lennard-Jones parameter (K) : 150.5

 

35. Solubility parameter 0.5:20.378

 

36.vanderWaals Area:

 

37.vanderWaals Volume: 34.710

 

38. The gas phase standard claims heat (enthalpy) : -95.4

 

39. Gas phase standard entropy: 270.44

 

40. Gas phase standard free energy of formation: -68.8

 

41. Gas phase standard hot melt: 50.88

 

42. Liquid phase standard claims heat (enthalpy) : -124.26

 

43. Liquid phase standard entropy: 178.7

 

44. Liquid phase standard free energy of formation: -70.42

 

45. Liquid phase standard hot melt: 100.0

 

Molecular structure data:

 

1. Molar refractive index: 16.38

 

2, molar volume (m3/mol) : 67.8

 

3. Iso-specific volume (90.2K) : 148.8

 

4, surface tension (dyne/cm) : 23.1

 

5. Polarizability: 6.49