This page provides supplementary chemical data on n-butane. Material Safety Data Sheet The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as eChemPortal, and follow its directions. Structure and properties Thermodynamic properties Vapor pressure of liquid n-Butane: Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. Spectral data References Chemical data pages Data page Chemical data pages cleanup