Propane (data page)
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This page provides supplementary chemical data on propane.
Structure and properties
Structure and properties | |
---|---|
Dielectric constant | (fluid) 1.6 ε0 at 0 °C |
Magnetic susceptibility | −40 |
Thermodynamic properties
Phase behavior | |
---|---|
Triple point | 85.47 K (−187.68 °C), 0.0001 Pa |
Critical point | 369.522 K (96.672 °C), 42.4924 bar |
Std enthalpy change of fusion, ΔfusH |
79.96 J/g |
Std entropy change of fusion, ΔfusS |
? J/(mol·K) |
Std enthalpy change of vaporization, ΔvapH |
24.545 kJ/mol |
Std entropy change of vaporization, ΔvapS |
? J/(mol·K) |
Solid properties | |
Std enthalpy change of formation, ΔfH |
−103.85[1] kJ/mol |
Standard molar entropy, S |
? J/(mol K) |
Heat capacity, cp | ? J/(mol K) |
Liquid properties | |
Std enthalpy change of formation, ΔfH |
−118.910 kJ/mol |
Standard molar entropy, S |
171.0 J/(mol K) |
Heat capacity, cp | 98.36 J/(mol K) |
Gas properties | |
Std enthalpy change of formation, ΔfH |
−104.7 kJ/mol |
Standard molar entropy, S |
269.91 J/(mol K) |
Enthalpy of combustion, ΔcH |
−2220.0 kJ/mol |
Heat capacity, cp | 73.60 J/(mol K) |
van der Waals' constants[2] | a = 877.88 L2 kPa/mol2 b = 0.08445 liter per mole |
Density of liquid and gas
Propane is highly temperature dependent.[3] The density of liquid and gaseous propane are given on the next image.
Vapor pressure of liquid
P in mm Hg | 1 | 10 | 40 | 100 | 400 | 760 | 1520 | 3800 | 7600 | 15200 | 30400 | 45600 | |
T in °C | −128.9 | −108.5 | −92.4 | −79.6 | −55.6 | −42.1 | −25.6 | 1.4 | 25.6 | 58.1 | 94.8 | — |
Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.
Spectral data
UV-Vis | |
---|---|
λmax | ? nm |
Extinction coefficient, ε | ? |
IR | |
Major absorption bands | ? cm−1 |
NMR | |
Proton NMR | |
Carbon-13 NMR | |
Other NMR data | |
MS | |
Masses of main fragments |
Material Safety Data Sheet
Propane does not have health effects other than the danger of frostbite or asphyxiation. The National Propane Gas Association has a generic MSDS available online here. (Issued 1996)
- MSDS from Suburban Propane, L.P dated 5/2013 in the SDSdata.org database
This box:
- Except where noted otherwise, data relate to Standard temperature and pressure.
- Reliability of data general note.
References
- ^ Himmelblau. Basic Principles and Calculations in Chemical Engineering. Pearson. 2012. Print. Pg. 852.
- ^ Lange's Handbook of Chemistry 10th ed, pp 1522–1524
- ^ Zivenko, Oleksiy (2019). "LPG ACCOUNTING SPECIFICITY DURING ITS STORAGE AND TRANSPORTATION". Measuring Equipment and Metrology. 80 (3): 21–27. doi:10.23939/istcmtm2019.03.021. ISSN 0368-6418.
External links