Aldehyde Nomenclature: Methanal
Propionaldehyde
The aldehyde with the molecular formula CH2O is known as methanal. Methanal is also commonly known as formaldehyde.
In terms of nomenclature, the suffix “-al” is used to indicate a functional group of an aldehyde. Therefore, methanal can also be referred to as formaldehyde in a systematic manner, using the International Union of Pure and Applied Chemistry (IUPAC) rules. The IUPAC name for formaldehyde is “methanal”, where “meth-” refers to the one-carbon molecule and “-anal” refers to the aldehyde functional group.
Additionally, aldehydes can also be named using common names, where the names are derived from common usage. In the case of methanal, the common name is formaldehyde, which is widely used in various industrial, medical, and laboratory applications.
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