Overview

Testosterone (tes-TOS-ter-own) is a white to creamy-white crystalline or powdery material that is odorless and tasteless and stable in air. It is a member of the organic family of compounds known as androgenic steroids—hormones responsible for the development of male sexual characteristics, such as male sex organs, a deep voice, and facial hair. Testosterone is present in both male and female bodies, although to a greater extent in men than in women.

Key Facts

Other Names:

See Overview

Formula:

C₁₉H₂₈O₂

Elements:

Carbon, hydrogen, oxygen

Compound Type:

Steroid (organic)

State:

Solid

Molecular Weight:

288.41 g/mol

Melting Point:

155°C (311°F)

Boiling Point:

Decomposes above melting point

Solubility:

Insoluble in water; soluble in ethyl alcohol, chloroform, vegetable oils, ether, and other organic solvents

The earliest studies of testosterone were conducted by French physiologist Charles E. Brown-Séquard (1817–94), sometimes called the father of endocrinology. Endocrinology is the study...