Estradiol, USP (Hemihydrate)

Estradiol USP comes as white or creamy white, small crystals or crystalline powder. It is odorless and hygroscopic. Estradiol USP is practically insoluble in water; soluble in alcohol, in acetone, in dioxane, and in solutions of fixed alkali hydroxides; slightly soluble in chloroform; sparingly soluble in vegetable oils.

Alternative name(s): Estradiol hemihydrate, β-Estradiol hemihydrate, beta-Estradiol semihydrate