structural formula
business number | 04a1 |
---|---|
molecular formula | c7f16 |
molecular weight | 388.05 |
label |
perfluoroheptane, perfluoron-heptane, hexafluoroheptane, hexadecafluoro-n-heptane, perfluoroheptane, mixed isomers, hexadecafluoroheptane, perfluoro-n-heptane, perfluoroheptane, perfluoroheptane (mixed isomers), perfluoroheptane(s), 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-hexadecafluoroheptane, fluorinertpf5070, heptane,hexadecafluoro- |
numbering system
cas number:335-57-9
mdl number:mfcd00040339
einecs number:206-392-1
rtecs number:mj0875000
brn number:1716335
pubchem number:24863303
physical property data
1. physical property data
gas phase standard claims heat (enthalpy) (kj·mol-1): -3383.6
density (g/ml, 25/4℃): 1.7200
relative density (20℃, 4℃): 1.7331
melting point (ºc): -51
boiling point (ºc, normal pressure): 82.5
refraction at room temperature index (n20): 1.2608
refractive index: 1.3
flash point (ºc): 80- 82
refractive index at room temperature (n25): 1.2582
critical temperature (k): 200.95
critical pressure (mpa): 1.621
critical density (g·cm-3): 0.584
critical volume (cm3·mol-1): 664
critical compression factor: 0.273
eccentricity factor: 0.556
liquid phase standard claims heat (enthalpy) (kj·mol-1): -3420.2
explosion limit (%,v/v ): not available
lower explosion limit (%, v/v): not available
solubility: not available
toxicological data
2. toxicological data:
acute toxicity: not available.
ecological data
3. ecological data:
1. other harmful effects: this substance may be harmful to the environment, and special attention should be paid to water bodies.
molecular structure data
1. molar refractive index: 36.85
2. molar volume (cm3/mol): 231.5
3. isotonic specific volume (90.2k ): 428.4
4. surface tension (dyne/cm): 11.7
5. �dilution rate (10-24cm3): 14.61
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 5.8
2. number of hydrogen bond donors: 0
3. number of hydrogen bond acceptors: 16
4. number of rotatable chemical bonds: 4
5. number of tautomers: none
6. topological molecule polar surface area 0
7. number of heavy atoms: 23
8. surface charge: 0
9. complexity: 394
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
storage method
none
synthesis method
none
purpose
none