structural formula
business number | 060f |
---|---|
molecular formula | c8h18 |
molecular weight | 114.23 |
label |
2-ethylhexene |
numbering system
cas number:589-81-1
mdl number:mfcd00027244
einecs number:209-660-6
rtecs number:none
brn number:1730777
pubchem number:24885097
physical property data
1. physical property data
1. melting point (ºc): -121
2. boiling point (ºc, normal pressure): 119°c0.1 mm hg (lit. )
3. flash point (ºc): 7
4. refractive index(n25d) :1.3961
5. density: 0.710 g/ml at 25 °c( lit.
6. critical temperature (k): 290.45
7. critical pressure (mpa): 2.55
8. critical density (g·cm-3): 0.246
9. critical volume (cm3·mol-1): 464
10. critical compression factor: 0.253
11. eccentricity factor: 0.372
12. solubility parameter (j·cm-3)0.5: 15.314
13. van der waals area (cm2·mol-1): 1.233×1010
14. van der waals volume (cm3·mol-1): 88.710
15. gas phase standard combustion heat (enthalpy) (kj·mol-1): -5508.03
16. gas phase standard claimed heat (enthalpy) (kj·mol– 1): -212.51
17. gas phase standard entropy (j·mol-1·k-1): 465.6 p>
18. gas phase standard free energy of formation (kj·mol-1): 13.0
19. gas phase standard hot melt (j·mol-1 ·k-1): 185.81
20. liquid phase standard combustion heat (enthalpy) (kj·mol-1): -5468.20
21. liquid phase standard claimed heat (enthalpy) (kj·mol-1): -252.34
22. liquid phase standard entropy ( j·mol-1·k-1): 362.63
23. liquid phase standard free energy of formation (kj·mol-1 ): 3.60
24. liquid phase standard hot melt (j·mol-1·k-1): 250.20 p>
25. soluble in organic solvents such as ethanol, ether, and chloroform.
toxicological data
none yet
ecological data
3. ecological data:
1. other harmful effects: this substance may be harmful to the environment and should be treated with water bodies.�don’t pay attention.
molecular structure data
5. molecular property data:
1. molar refractive index: 39.07
2. molar volume (cm3/mol): 160.9
3. isotonic volume (90.2k): 347.8
4. surface tension (dyne/cm): 21.8
5. dielectric constant (f/m ): 1.94
6. polarizability (10-24cm3): 15.48
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 4.3
2. number of hydrogen bond donors: 0
3. number of hydrogen bond acceptors: 0
4. number of rotatable chemical bonds: 4
5. number of tautomers: none
6. topological molecule polar surface area 0
7. number of heavy atoms: 8
8. surface charge: 0
9. complexity: 39.3
10. number of isotope atoms: 0
11. determine the number of atomic stereocenters: 0
12. uncertain number of atomic stereocenters: 1
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
stability and reactivity:
materials to avoid: oxides.
products to be decomposed: carbon monoxide and carbon dioxide.
exists in smoke.
storage method
storage:
seal the container and store it in a sealed main container in a cool, dry place.
synthesis method
none yet
purpose
none yet