Used as a cationic surfactant in fabric softeners due to its ability to reduce static cling and improve softness of textiles. It is effective in depositing a lubricating layer on fabric surfaces during the rinse cycle. Also employed in personal care products such as hair conditioners and shampoos, where it provides detangling, anti-static, and smoothness properties. Its antimicrobial activity makes it suitable for use in some disinfectants and biocidal formulations. Commonly found in household and industrial cleaning products for its emulsifying and surface-active characteristics.