It is used in the treatment of cooling and boiler waters, in industrial and institutional cleaning applications, and for general-purpose metal ion control.

It is used in fertilizer formulations and as a fire retardant. In the food industry, it is utilized as a nutrient medium for yeast in wine production and beer brewing.

It is used in fertilizer production, as a food additive, and as a buffering agent.

It is used in water treatment as a softener and pH regulator, and in detergents and metal processing as a mild alkaline phosphating agent. It also serves as a buffer in paint production and as a stabilizer in textile bleaching processes. In the food industry, it stands out for its acidity-regulating properties and is utilized as a stabilizing agent in condensed milk, instant puddings, and creamy desserts.

It is used in the treatment of cooling and boiler waters, in industrial and institutional cleaning applications, and for the general control of metal ions.

It has the ability to bind metal ions and form complexes. In the cosmetics and detergent industries, it is used as a stabilizer, particularly in formulations containing bleach and hypochlorite, preventing swelling problems in packaging. In swimming pools, it increases chlorine stability and helps remove stains and deposits (recommended usage level: 1–15 ppm active substance). In industrial and institutional applications, it is preferred in rinsing and disinfection solutions (typical usage concentration: 1% active substance).

It is used as a component of fully soluble dry fertilizers in agriculture, as well as in dry-type fire extinguishers and the machinery industry. In the food industry, it serves as a leavening agent.

It is used in agriculture, in fertilizer formulations.

It is used in the food industry as a buffer and emulsifier, as an acid component in powdered beverages, and as a gelling accelerator in instant puddings. In addition, it is utilized as a pH regulator in acidic metal cleaners, in water treatment, as well as in the detergent, textile, and drilling industries.

It is used as a corrosion inhibitor in cooling water treatment and metal cleaning applications.

It is used in metal surface treatment and in the formulation of acidic cleaning products. It is widely applied in baked goods and also helps prevent discoloration in potatoes and sugar syrups. As one of the main components of baking powder, it is also used to ensure dough leavening.

It acts as a metal ion binder in detergents, food additives, and water softening applications.

It is used as a reducing agent in chemical processes, particularly in electroless nickel plating and other metal plating applications. It also serves as a raw material and analytical reagent in the production of various products such as hypophosphorous acid and its derivatives. In addition, it finds applications in different industrial fields as a polymer stabilizer, polymerization catalyst, and flame retardant.

It is used in toothpaste, soap, detergents, and industrial cleaning products to enhance cleaning performance and as a structuring filler. Thanks to its water-softening property, STPP separates dirt from fabrics and keeps it suspended. It is also utilized as a preservative in the food industry.

It is widely used in detergents as a water softener, metal cleaner, soap and detergent builder, hardness stabilizer, and soil dispersant. In addition, it is utilized as a food additive, enamel enhancer, in tin plating, purification of ceramic clay, dyeing processes, as a deflocculant in drilling muds, and in synthetic rubber production.

It is used as a foam inhibitor in concrete admixtures and as a wetting agent in textile auxiliaries. In addition, it serves as a solvent in various industries. In plastics and synthetic resins, it is utilized as a plasticizer that imparts flame-retardant properties.

It serves as a nutrient medium for yeast in bakery products. It provides free-flowing properties in products such as sugar, flour, instant soups, and powdered beverages. In the pharmaceutical industry, it is used as a disintegrant in tablet formulations. It is also utilized in suspension polymerization and functions as a pigment in ceramics.

Used as a multipurpose cleaner and degreaser, this substance is also effective in removing scale from steam boilers, preventing lime formation, and softening water. In the food industry, it functions as a pH regulator, an acidity adjuster in combination with citric acid, and as a sequestrant for trace metal ions. It imparts flexibility to cheese slices, ensures uniform melting properties, improves the stability of whipped cream, acts as a color stabilizer in meat, and prevents phosphate deposition (phosphate scum) on surfaces.