Trisodium phosphate anhydrous is widely used as a cleaning agent due to its strong alkaline nature and ability to saponify fats and oils. It is a key ingredient in heavy-duty cleaning formulations, including industrial degreasers, laundry detergents, and dishwashing compounds. It effectively removes grease, oil, and dirt from metal, masonry, and other surfaces, making it valuable in pre-paint surface preparation and equipment cleaning. In water treatment, it acts as a water softener by sequestering calcium and magnesium ions, preventing scale formation in boilers and cooling systems. It is also used as a pH buffer to maintain alkaline conditions in various industrial processes. In the food industry, it serves as an emulsifier, acidity regulator, and stabilizer, commonly found in processed cheeses, canned foods, and meat products to improve texture and moisture retention. Additionally, it finds use in ceramics and textile processing as a dispersing and deflocculating agent. Due to environmental concerns over phosphate runoff, its use in household detergents has declined in many regions, but it remains important in controlled industrial applications.