This page provides supplementary chemical data on propane. Structure and properties Thermodynamic properties 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 Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. Spectral data 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 Chemical data pages (Data page) Chemical data pages cleanup