Sodium stearate is the sodium salt of stearic acid, a natural fatty acid, and it appears as a white powder with a slippery texture and a greasy odor. It readily dissolves in hot water or hot alcohol. This compound is extensively utilized in soap and toothpaste production, as well as in applications such as waterproofing and plastic stabilization. Sodium stearate is employed as a waterproofing agent, gelling agent, and stabilizer in plastics, and it finds uses in the food, pharmaceutical, and cosmetic industries as an additive for improving various products. Additionally, it serves as the primary ingredient in the manufacturing of numerous soap formulations.