Anisaldehyde is an aromatic chemical usually appearing as a colourless or pale yellow liquid with a sweet herbaceous scent, reminiscent of freshly mown grass. Though synthesized for industry, anisaldehyse occurs naturally in some plants, including Korean Mint (Agastache rugosa) and Anise (Pimpinella anisum); and is found in many spice extracts and essential oils. It is known to have an almond-anise flavour and is used in perfumery, soaps and some food flavourings.

Other names: C₈H₈O₂, 4-Methoxybenzaldehyde, p-Anisaldehyde, 4-Anisaldehyde, Anisic Aldehyde, Anise Aldehyde, Benzaldehyde, 4-Methoxy-, p-Methoxybenzaldehyde