1,1,1,2,2-Pentafluoropropane
- Formula: C3H3F5
- Molecular weight: 134.0479
- IUPAC Standard InChIKey: FDOPVENYMZRARC-UHFFFAOYSA-N
- CAS Registry Number: 1814-88-6
- 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
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 254.9 | K | N/A | Hwang, DesMarteau, et al., 1992 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 260. | K | N/A | PCR Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 380.1 | K | N/A | Shank, 1967 | Uncertainty assigned by TRC = 0.11 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 30.9622 | atm | N/A | Shank, 1967 | Uncertainty assigned by TRC = 0.0340 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.6600 | mol/l | N/A | Shank, 1967 | Uncertainty assigned by TRC = 0.0072 mol/l; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
5.47 | 268. | A | Stephenson and Malanowski, 1987 | Based on data from 232. to 283. K. See also Dykyj, 1970.; AC |
5.50 | 248. | N/A | Shank, 1967, 2 | Based on data from 233. to 379. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
232.3 to 380.10 | 4.30873 | 1015.576 | -20.011 | Shank, 1967, 2 | Coefficents calculated by NIST from author's data. |
References
Go To: Top, Phase change data, Notes
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]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Shank, 1967
Shank, R.L.,
Thermodynamic Prop. of 1,1,1,2,2-Pentafluoropropane (Refrigerant 245),
J. Chem. Eng. Data, 1967, 12, 474-80. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Shank, 1967, 2
Shank, R.L.,
Thermodynamic properties of 1,1,1,2,2-pentafluoropropane (refrigerant 245),
J. Chem. Eng. Data, 1967, 12, 4, 474-480, https://doi.org/10.1021/je60035a004
. [all data]
Notes
Go To: Top, Phase change data, References
- 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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