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), 0.000169 Pa Critical point 369.522 K (96.672 °C), 42.4924 bar Std enthalpy changeof fusion, ΔfusHo 79.96 J/g Std entropy changeof fusion, ΔfusSo ? J/(mol·K) Std enthalpy changeof vaporization, ΔvapHo 24.545 kJ/mol Std entropy changeof vaporization, ΔvapSo ? J/(mol·K) Solid properties Std enthalpy changeof formation, ΔfHosolid −103.85Himmelblau. Basic Principles and Calculations in Chemical Engineering. Pearson. 2012. Print. Pg. 852. kJ/mol Standard molar entropy,Sosolid ? J/(mol K) Heat capacity, cp ? J/(mol K) Liquid properties Std enthalpy changeof 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 changeof formation, ΔfHogas −104.7 kJ/mol Standard molar entropy,Sogas 269.91 J/(mol K) Enthalpy of combustion, ΔcHo −2220.0 kJ/mol Heat capacity, cp 73.60 J/(mol K) van der Waals' constantsLange's Handbook of Chemistry 10th ed, pp 1522–1524 a = 877.88 L2 kPa/mol2 b = 0.08445 liter per mole

Density of liquid and gas

Propane is highly temperature dependent. 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

References

External links Physical and Chemical Properties of Propane