perfluorocyclobutane perfluorocyclobutane

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:115-25-3

mdl number:none

einecs number:204-075-2

rtecs number:none

brn number:none

pubchem id:none

physical property data

1. properties: colorless, odorless, non-flammable gas

2. density (g/ml, 21.1℃): 1.51

3. relative vapor density ( g/ml, air=1): 7.0

4. melting point (ºc): -41.4

5. boiling point (ºc): 6.04

6. relative density (20℃, 4℃): 1.654^-20

7. gas phase standard claims heat (enthalpy) (kj·mol^-1) : -1542.6

8. liquid phase standard hot melt (j·mol^-1·k^-1): 227.4

9. specific rotation (ºc): undetermined

10. autoignition point or ignition temperature (ºc): undetermined

11. vapor pressure (mmhg, 38ºc): undetermined

12. saturated vapor pressure (kpa, ºc): undetermined

13. critical temperature (k): 115.3

14. critical pressure ( mpa): 2.784

15. critical density (g·cm^-3): 0.616

16. critical volume (cm³ sup>·mol^-1): 325

17. critical compression factor: 0.280

18. eccentricity factor: 0.356

19. solubility: undetermined

toxicological data

1. acute toxicity: mice inhaled lc5o: 78pph/2h;

rat inhaled 80% of this product for 4 hours, no abnormality was found (20% was o2)

2. other multiple dose toxicity: mice inhaled tclo: 861g/m3/4h/17w-i

3. mutagenicity: drosophila melanogaster inhaled chromosome deletion and non-disjunction: 99pph/10m

4. hazardous characteristics: in case of high heat, the internal pressure of the container will increase, and there is a risk of cracking and explosion.

5. combustion (decomposition) product: hydrogen fluoride

ecological data

route of entry: inhalation.
health hazards: at present, there are no reports of occupational poisoning, but pyrolysis can release highly toxic f-smoke.

molecular structure data

1. molar refractive index: 19.50

2. molar volume (cm³/mol): 120.0

3. isotonic specific volume (90.2k ): 218.8

4. surface tension (dyne/cm): 11.0

5.   polarizability (10^-24cm³): 7.73

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: 8

4. number of rotatable chemical bonds: 0

5. number of tautomers: none

6. topological molecule polar surface area 0

7. number of heavy atoms: 12

8. surface charge: 0

9. complexity: 151

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

used as stable and non-toxic food aerosol spray and medium gas.