中文名β-雌二醇英文名β-estradiol别名雌二醇雌性二醇雌素二醇~-雌二醇β-雌二醇二羟基雌激素酮beta-雌二醇3-羟基雌甾-1,3,5(10)-三烯-17β-醇雌甾-1,3,5(10)-三烯3,17Β-二醇,ESTRA-1,3,5(10)-TRIENE-3,17Β-DIOL英文别名EstradiolB-estradiolβ-estradiolBeta-Estradiol17beta-Estradiol17beta-estradiolDihydrofolliculindihydrofolliculinBETA-ESTRADIOL-16,16,17-D317BETA-ESTRADIOL-16,16,17-D31,3,5-Estratriene-3,17beta-diol1,3,5-estratriene-3,17beta-diol3,17beta-Dihydroxy-1,3,5(10)-estratriene3,17beta-dihydroxy-1,3,5(10)-estratriene(8alpha,9beta,13alpha,14beta,17alpha)-estra-1,3,5(10)-triene-3,17-diolCAS50-28-2EINECS200-023-8化学式C18H24O2分子量272.39InChIInChI=1/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17+,18+/m0/s1InChIKeyVOXZDWNPVJITMN-ZBRFXRBCSA-N密度1.0708 (rough estimate)熔点178-179°C(lit.)沸点355.44°C (rough estimate)比旋光度D25 +76 to +83° (dioxane)闪点2℃水溶性Soluble in dimethyl sulfoxide, ethanol , water, phosphate buffer saline, dimethyl formamide, acetone, dioxane and alkali hydroxides. Slightly soluble in vegetable oils.蒸汽压9.82E-09mmHg at 25°C溶解度Practically insoluble in water, soluble in acetone, sparingly soluble in ethanol (96 per cent), slightly soluble in methylene chloride.折射率80.4 ° (C=1, Dioxane酸度系数pKa 10.71±0.02(H2O(0.1% p-dioxane) t=25±0.1 I=0.03(KCl))(Approximate)存储条件room temp稳定性Stable. Incompatible with strong oxidizing agents.外观powder颜色White to off-whiteMerck14,3703BRN1914275物化性质本品是白色或乳白色无臭结晶性粉末;无臭。在二氧六环、丙酮中溶解,在乙醇中略溶,在水中不溶。