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Molecular formula : CAS :
nature : ether known as fennel, anise ether, fennel turned brine. An Phe-phenolic compounds. White crystals, Weitian, with specific fennel aromas. A trans-two configuration. Trans : 21.4 ° C melting point density (20 ° C) 0.9883g/cm3, boiling point 81 ~ 81.5 ° C (Pa), the refractive index 1.56145. Cis : -22.5 ° C melting point density (20 ° C) 0.9878g/cm3, boiling point 79 ~ 79.5 ° C (Pa), the refractive index 1.55455. With ether, chloroform immiscibility, they can still dissolve benzene, ethyl acetate, acetone, petroleum ether, almost insoluble in water. From UMBELLIFERAE Fennel (vulgate : Mill.) , Magnoliaceae Star Anise (difengpi f. Hook. F.), 4 to 8 DU (Juniperus rigida Sieb. Et Zucc.) As the fruit. Chemical synthesis can be obtained. With increased leukocyte and estrogen-like activity, used as seasoning agent, spices, drugs and color photography adjuvant treatment of bleaching agent-min.
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