Tin(II) stearate is a metal-organic compound with the chemical formula C18H36SnO2.

[2] The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid (stearic acid).

[3] Tin(II) stearate forms colorless (white) crystals.

Tin(II) stearate reacts with sodium hydroxide solution or hydrochloric acid to form the tin(II) chloride or tin(II) chloride hydroxide.

[4] The compound is used in the pharmaceuticals and cosmetics industries as a thickener, film-forming polymer, and release agent.