Westron R600a Refillable Gas

Physical and Chemical Properties

Chemical Nameisobutane
Chemical FormulaC4H10
Purity, %≥ 97.5
FormLiquefied Gas
Melting Point-159.6 °C
Boiling Point-11.80 °C
Vapor Pressure204.8 kPa


Westron® Refrigerants Propane R600a is the common name for high purity isobutane (C4H10) suitable for use in the refrigeration and air conditioning industry. The product typically is at least 99.5% pure with minimal levels of critical impurities including moisture and unsaturated hydrocarbons. This makes it ideal for use in all types of refrigeration systems.