The systematic IUPAC chemical name for propane, a three-carbon hydrocarbon gas (CH₃CH₂CH₃) with two methyl groups, commonly used as fuel.
From dimethyl (two methyl groups) + methane (the one-carbon alkane). This systematic name comes from treating propane as a methane backbone with two methyl substituents.
Dimethylmethane is chemistry's formal way of saying 'propane,' but it reveals how chemists think hierarchically—they see molecules as smaller pieces stacked together, like building blocks.
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