Atrivial nameis anon-systematic namefor a chemical substance. Trivial names are not officially recognized according to the systematic rules of formal IUPAC chemical nomenclature, but might still be commonly used informally in chemistry. You might come across trivial (or common) naming in written text, atom labels in chemical structures or in chemical formulae.
Common/trivial chemical prefixes glossary:
| Trivial Prefix | Prefix Expansion | Notes |
|---|---|---|
| Me | Methan- or Methyl group | |
| Et | Ethan- or Ethyl group | |
| Pr | Propan- or Propyl | |
| Bu | Butan- or Butyl group | |
| tert- | tertiary | Tertiary, branched carbon chain. |
| iso- | 同分异构体 | All carbons except one form a continuous chain. Can also indicate a constitutional isomer with a trivial name. |
| n- | 'normal' | Continuous, unbranched carbon chain. |