Octyl decyldimethyl ammonium chloride is widely used as a disinfectant and sanitizer in various industries. It is effective in killing bacteria, viruses, and fungi, making it a key ingredient in cleaning products for hospitals, food processing facilities, and public spaces. Its ability to break down microbial cell walls ensures thorough sanitization. Additionally, it is used in water treatment systems to control microbial growth. In agriculture, it serves as a biocide to protect crops and equipment from harmful microorganisms. Its surfactant properties also make it useful in fabric softeners and personal care products for its antimicrobial and conditioning effects.