"Benzaldehyde"@en . . . "Benzaldehyde"@en . "Benzaldehyde (C6H5CHO) is an organic compound consisting of a benzene ring with a formyl substituent. It is the simplest aromatic aldehyde and one of the most industrially useful. This colorless liquid has a characteristic pleasant almond-like odor. In fact, benzaldehyde is the primary component of bitter almond oil and can be extracted from a number of other natural sources. Benzaldehyde was first extracted from bitter almonds in 1803 by the French pharmacist Martr\u00E8s."@en .