The chemical Acetanilide has a designated molecular formula of C8H9NO and a molecular weight of 135.166 g/mol. Synonyms may include: Acetamide, N-phenyl-, Acetamidobenzene, Acetanil, Acetanilid, Acetic acid amide, N-phenyl-, Acetic acid anilide, Acetoanilide, Acetylaminobenzene, Acetylaniline, N-Acetylaniline (ChemID).