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Related to safrole: sassafras oil
The methylene ether of allyl pyrocatechol; contained in oil of sassafras, oil of camphor, and various other volatile oils; it is obtained chiefly from oil of camphor by fractional distillation; formerly used as a tonic and carminative; prolonged administration causes fatty degeneration.
An oily phenylpropene extracted from the root-bark or the fruit of sassafras (Sassafras albidum), as well as camphor and other volatile oils. Once used as a carminative, intestinal tonic, topical antiseptic and pediculoside, it is hepatotoxic, causing fatty degeneration, and is carcinogenic; it is listed by the FDA as unsafe.