| Identification |
| Name: | Ethynyl estradiol |
| Synonyms: | 19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol(6CI,7CI,8CI);17-Ethinyl-3,17-estradiol;17-Ethinylestradiol;17-Ethynylestra-1,3,5(10)-triene-3,17b-diol;17a-Ethinyl-3,17-dihydroxy-D1,3,5-estratriene;17a-Ethynylestra-3,17b-diol;17a-Ethynylestradiol;19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17b-diol;Amenoron;Chee-O-Gen;Esteed;Estoral;Estorals;Estradiol, 17-ethynyl-;Ethidol;Ethinoral;Ethynylestradiol;Ethynyloestradiol;Eticyclin;Eticyclol;Follicoral;Ginestrene;Linoral;Lynoral;Microfollin;NSC 10973;Oradiol;Orestralyn;Primogyn C;Progynon C; |
| CAS: | 57-63-6 |
| EINECS: | 200-342-2 |
| Molecular Formula: | C20H24O2 |
| Molecular Weight: | 296.40336 |
| InChI: | InChI=1S/C20H24O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17-,18+,19+,20+/m1/s1 |
| Molecular Structure: |
 |
| Properties |
| Density: | 1.21g/cm3 |
| Stability: | No data. |
| Water Solubility: | ethanol: 50 mg/mL, clear, slightly yellow |
| Solubility: | ethanol: 50 mg/mL, clear, slightly yellow |
| Appearance: | Off-White to Light-Yellow Crystalline Powder |
| Specification: | Ethynyl estradiol (CAS NO.57-63-6), its Synonyms are (17-alpha)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17,diol ; 17-Ethinyl-3,17-estradiol ; 17-Ethinyl-3,17-oestradiol ; 17-Ethinylestradiol ; 17-Ethynyl-3,17-dihydroxy-1,3,5-oestratriene ; 17-Ethynylestradiol ; 17-Ethynyloestradiol ; 17-alpha-Ethinyl-17-beta-estradiol ; 17-alpha-Ethinyl-3,17-dihydroxy-delta(sup 1,3,5)-estratriene ; Aethinyloestradiolum ; Aethinyoestradiol ; Estorals ; Estra-1,3,5(10)-triene-3,17-beta-diol, 17-alpha-ethynyl- ; Estra-1,3,5(10)-triene-3,17beta-diol, 17alpha-ethynyl- ; Estradiol, 17-ethynyl- ; Ethidol ; Ethinoral ; Primogyn C ; Primogyn M ; Progynon C ; Spanestrin. |
| Report: | NTP 10th Report on Carcinogens. IARC Cancer Review: Human Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 21 , 1979,p. 233.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 6 , 1974,p. 77.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.:(Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 21 , 1979,p. 233.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.:(Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory. |
| Storage Temperature: | Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage. |
| Color: | Hemihydrate, fine needles from methanol and water |
| Usage: | A metabolite of 17a-Ethynylestradiol |
| Safety Data |
| Hazard Symbols |
T:Toxic
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