N-Methylaniline (NMA) | CAS 100-61-8A Technical Overview of Its Role as an Octane Booster in Gasoline1. Chemical ProfileName: N-Methylaniline (NMA)Synonyms: Methylphenylamine, N-MethylbenzenamineMolecular Formula: C₇H₉NMolecular Weight: 107.15 g/molAppearance: Colorless to light yellow liquidBoiling