2,5-Dimethoxy-p-cymene, or thymohydroquinone dimethyl ether, is a phytochemical found in the essential oils of plants within the family Asteraceae.

These essential oils, which contain the compound as a major component of the oil, have antifungal,[1] antibacterial,[2] and insecticidal[3] properties.

2,5-Dimethoxy-p-cymene occurs in a variety of different plants' essential oils.

Examples include: 2,5-Dimethoxy-p-cymene can be synthesized from carvacrol by aromatic halogenation followed by nucleophilic substitution with sodium methoxide and Williamson ether synthesis using methyl iodide.

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