1,1,1,2,2,3,3,4-Octafluorobutane
- Formula: C4H2F8
- Molecular weight: 202.0459
- IUPAC Standard InChI: InChI=1S/C4H2F8/c5-1-2(6,7)3(8,9)4(10,11)12/h1H2
- IUPAC Standard InChIKey: XALFNZSGFNPWSM-UHFFFAOYSA-N
- CAS Registry Number: 662-35-1
- Chemical structure:
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 301.0 | K | N/A | Hwang, DesMarteau, et al., 1992 | Uncertainty assigned by TRC = 0.5 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tc | 431.95 | K | N/A | Defibaugh, Carrillo-Nava, et al., 1997 | Uncertainty assigned by TRC = 0.05 K; by analysis of obs. liq. density & gas speed of sound; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Pc | 26.89 | atm | N/A | Defibaugh, Carrillo-Nava, et al., 1997 | Uncertainty assigned by TRC = 0.20 atm; from obs. vapor pressure and Tc; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ρc | 2.833 | mol/l | N/A | Defibaugh, Carrillo-Nava, et al., 1997 | Uncertainty assigned by TRC = 0.02 mol/l; TRC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 6.91 | 269. | EB | Defibaugh, Carrillo-Nava, et al., 1997, 2 | Based on data from 260. to 278. K.; AC |
| 6.91 | 269. | EB | Defibaugh, Carrillo-Nava, et al., 1997, 2 | Based on data from 260. to 278. K.; AC |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hwang, DesMarteau, et al., 1992
Hwang, S.H.; DesMarteau, D.D.; Beyerlein, A.L.; Smith, N.D.; Joyner, P.,
The heat capacity of fluorinated propane and butane derivatives by differential scanning calorimetry,
J. Therm. Anal., 1992, 38, 2515-28. [all data]
Defibaugh, Carrillo-Nava, et al., 1997
Defibaugh, D.R.; Carrillo-Nava, E.; Hurly, J.J.; Moldover, M.R.; Schmidt, J.W.; Weber, L.A.,
Thermodynamic properties of HFC-338mccq, CF3CF2CF2CH2F, 1,1,1,2,2,3,3,4- octafluorobutane,
J. Chem. Eng. Data, 1997, 42, 488-96. [all data]
Defibaugh, Carrillo-Nava, et al., 1997, 2
Defibaugh, D.R.; Carrillo-Nava, E.; Hurly, J.J.; Moldover, M.R.; Schmidt, J.W.; Weber, L.A.,
Thermodynamic Properties of HFC-338mccq, CF 3 CF 2 CF 2 CH 2 F, 1,1,1,2,2,3,3,4-Octafluorobutane «8224»,
J. Chem. Eng. Data, 1997, 42, 3, 488-496, https://doi.org/10.1021/je9603133
. [all data]
Notes
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- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature ΔvapH Enthalpy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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