A colorless or pale yellow oily liquid, C10 H10 O2 , derived from oil of sassafras and other essential oils and used in making perfume and soap. Safrole was banned as a food additive in the United States because it is a suspected carcinogen.
A clear, colorless oil, C3H5C6H3O2CH2, found in sassafras oil, camphor wood, etc., and used in perfumes, medicines, flavors, etc.: toxic when ingested and regarded as a possible carcinogen, its use in foods and beverages is forbidden in the U.S.
Origin of safrole
French safran saffron saffron –ole