The chemical compound benzaldehyde (C₆H₅CHO) consists of a benzene ring with an aldehyde group attached to one carbon. On oxidation, benzaldehyde forms benzoic acid. It stinks a lot.

It is an important component of the scent of almonds.

Molecular weight: 106.12

Melting point: -26 C

Boiling point: 179 C; auto-ignites at 192 C

Specific gravity: 1.044

Refractive index: 1.5450

Synonyms: Benzenecarboxaldehyde; Benzoic aldehyde; Artificial Almond Oil; Benzenecarbonal; Phenylmethanal