It is commonly used as an ion-pairing reagent in high-performance liquid chromatography (HPLC) and in analytical chemistry to aid in the separation of polar and ionic compounds.

The purpose of sodium pentane-1-sulfonate is to improve the retention and resolution of charged analytes enhance chromatographic performance and ensure accurate analytical results.

Sodium pentane-1-sulfonate is an anionic organic compound consisting of a five-carbon alkyl chain attached to a sulfonate group typically found as a white crystalline and water-soluble substance.