
structural formula
| business number | 04kr |
|---|---|
| molecular formula | c5h2f8o2 |
| molecular weight | 246.06 |
| label |
2,2,3,3,3,4,4,5,5-octafluoropentanoic acid, 5h-perfluoropentanoic acid, 2,2,3,3,4,4,5,5-octafluorovaleric acid, aliphatic compounds |
numbering system
cas number:376-72-7
mdl number:mfcd00054690
einecs number:206-812-3
rtecs number:yv7799000
brn number:1797233
pubchem id:none
physical property data
一 , physical property data
traits :not available
density (g/ml,25/4℃): 1.725
relative vapor density (g/ml, air=1):not available
melting point (ºc): not available
boiling point (ºc, normal pressure): 165-166
boiling point (ºc, 5.2kpa): not available
refraction rate: 1.319
flash point (ºc): 165-166
optical rotation (º): not available
spontaneous combustion point or ignition temperature (ºc): not available
steam pressure (kpa, 25ºc): not available
saturated vapor pressure (kpa, 60ºc): not available
burn heat (kj/mol):not available
critical temperature (ºc): not available
critical pressure (kpa): not available
oil and water log value of the (octanol/water) partition coefficient:not available
explosion upper limit (%, v/v): not available
explosion lower limit (%, v/v): not available
dissolve properties: not available
toxicological data
two , toxicological data:
acute toxicity:not available .
ecological data
three , ecological data:
1 ,other harmful effects: this substance may be harmful to the environment, and special treatment should be given to water bodies. notice.
molecular structure data
1. molar refractive index: 27.94
2. molar volume (m3/mol):149.7
3. isotonic specific volume (90.2k):311.5
4. surface tension (dyne/cm):18.7
5. polarizability(10-24cm3):11.07
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 2.7
2. number of hydrogen bond donors: 1
3. number of hydrogen bond acceptors: 10
4. number of rotatable chemical bonds: 4
5. number of tautomers: none
6. topological molecule polar surface area 37.3
7. number of heavy atoms: 15
8. surface charge: 0
9. complexity: 260
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
none yet
synthesis method
none yet
purpose
none yet

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