Benzaldehyde, also called benzenecarbaldehyde, is a colorless liquid with a smell of almonds. It is the simplest an aromatic aldehyde. Benzaldehyde is found in bitter almonds but synthesized from toluene, and is used as a flavoring, in chemical synthesis, and in making perfumes and certain aniline dyes. It is oxidized to benzoic acid. Melting point -26°C (-14.8°F), boiling point 178.1°C (352.6°F), relative density 1.04.