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**Molecular formula:** C₃H₈
**Chemical formula (condensed):** CH₃CH₂CH₃
**Molar mass:** 44,1 g/mol
**Information:** Under normal conditions, it is a colourless, flammable, easily liquefiable odourless gas heavier than air. It explodes when mixed with air.
**Use:** Propane butane mixture is used as a fuel for cooking equipment called propane-butane.