CASNumber:12126-59-9 Name:Estrogens MolecularWeight:370.40 EINECS:235-199-5 Density:g/cm3 BoilingPoint:°Cat760mmHg Safety:Suspected carcinogen with experimental tumorigenic data. Poison by intraperitoneal route. Human reproductive effects by ingestion: changes in female fertility Experimental teratogenic effects. A steroid. When heated to decomposition it emits acrid smoke and irritating fumes