3',4',5-Trichlorosalicylanilide is primarily utilized as an antimicrobial agent, particularly in the formulation of disinfectants and antiseptics. Its effectiveness against a broad spectrum of microorganisms makes it valuable in medical and hygiene applications, such as in hand sanitizers and surface cleaners. Additionally, it is incorporated into textiles and plastics to impart antimicrobial properties, reducing the growth of bacteria and fungi. This compound is also used in the preservation of industrial products, including adhesives and coatings, to prevent microbial degradation. In agriculture, it serves as a fungicide to protect crops from fungal infections, enhancing yield and quality. Its role in controlling microbial growth underscores its importance in various sectors, ensuring safety and longevity of products and materials.