This page provides supplementary chemical data on isobutane. 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 SIRI, and follow its directions. Structure and properties Thermodynamic properties Vapor pressure of liquid Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. Spectral data References Chemical data pages Alkanes Butane Chemical data pages cleanup