It is widely used as an ion-pairing reagent in high-performance liquid chromatography (HPLC) as well as in detergents and analytical chemistry for separating and analyzing ionic compounds.

The purpose of sodium 1-octanesulfonate monohydrate is to enhance the separation of charged molecules improve interaction between analytes and stationary phases and increase accuracy in analytical procedures.

Sodium 1-octanesulfonate monohydrate is an anionic surfactant composed of a sulfonate group attached to an eight-carbon alkyl chain typically appearing as a white crystalline and water-soluble compound.