Trisodium phosphate is a compound with the chemical formula Na3PO4 or Na3PO4.12H2O. In industrial application, Trisodium phosphate dodecahydrate is more popular. It has various industrial applications, including:

1. Cleaning Agent: TSP is commonly used as a cleaning agent in industrial settings. It is effective in removing grease, grime, and stains from surfaces. Industries such as manufacturing, food processing, and metal fabrication may use TSP for cleaning equipment and surfaces.

2. Painting and Surface Preparation: TSP is used as a degreaser and surface preparation agent before painting. It helps to clean and etch surfaces, providing a better substrate for paint adhesion.

3. Water Treatment: In some industrial processes, TSP is used in water treatment applications. It can be employed to adjust the pH of water or to remove impurities.

4. Food Industry: While TSP is not recommended for use in food products, it may be used in the food industry for cleaning equipment and surfaces where food is not directly handled.

5. Textile Industry: TSP is utilized in the textile industry for various processes, including dyeing and finishing.

6. Metal Treatment: TSP can be used in metal treatment processes, such as removing rust and scale from metal surfaces.