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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, ΔfusHo 		79.96 J/g
Std entropy change
of fusion, ΔfusSo 		? J/(mol·K)
Std enthalpy change
of vaporization, ΔvapHo 		24.545 kJ/mol
Std entropy change
of vaporization, ΔvapSo 		? J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHosolid 		-103.85[1] kJ/mol
Standard molar entropy,
Sosolid 		? J/(mol K)
Heat capacity, cp ? J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid 		−118.910 kJ/mol
Standard molar entropy,
Soliquid 		171.0 J/(mol K)
Heat capacity, cp 98.36 J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas 		−104.7 kJ/mol
Standard molar entropy,
Sogas 		269.91 J/(mol K)
Enthalpy of combustion, ΔcHo –2202.0 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

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.

log of propane vapor pressure. Uses formula: from Lange's Handbook of Chemistry, 10th 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 asphyxiaton. The National Propane Gas Association has a generic MSDS available online here. (Issued 1996)


Except where noted otherwise, data relate to standard ambient temperature and pressure.

References

  1. ^ Himmelblau. Basic Principles and Calculations in Chemical Engineering. Pearson. 2012. Print. Pg. 852.
  2. ^ Lange's Handbook of Chemistry 10th ed, pp 1522-1524

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