CAS · 7601-54-9
Product Overview
Trisodium phosphate is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance: | White solid |
|---|---|
| Assay (Na2PO4, dry base): | 97% min |
| pH (10 g/L water solution): | 11.5-12.5 |
| Sulfate (SO4): | 0.5% max |
| Chloride (Cl): | 0.4% max |
| Iron (Fe): | 0.01% max |
| Arsenic (As) (mg/kg): | 50 |
| Water-insoluble: | 0.2% max |
Applications
Trisodium phosphate (TSP) is a versatile inorganic compound widely used across industrial, commercial, and laboratory settings. In cleaning and maintenance, it serves as a powerful degreasing agent and heavy-duty cleaner for surfaces such as metal, concrete, and painted walls, often used prior to painting or coating applications. In water treatment, TSP acts as a buffering agent and sequestrant to control water hardness and prevent scale formation. It is also employed in the food industry as a food additive, acidity regulator, and emulsifier in processed foods and dairy products. Additionally, TSP is used in chemical manufacturing as a reagent, pH adjuster, and source of phosphate ions in various reactions, as well as in laboratory experiments for buffer preparation and analytical applications.
Benefits
Trisodium phosphate offers significant advantages due to its high alkalinity, solubility, and chemical stability. Its strong cleaning and degreasing capacity allows for effective removal of grease, oils, and stubborn stains, improving surface preparation for coatings and industrial processes. TSP's buffering properties stabilize pH in aqueous solutions, making it reliable for water treatment, chemical reactions, and food formulations. It is non-flammable, inexpensive, and easy to handle, which contributes to its widespread industrial use. In food and laboratory applications, it is highly soluble and provides consistent performance, ensuring reproducibility and efficiency in processes requiring phosphate supplementation or pH adjustment.
Conclusion
Trisodium phosphate is a multipurpose inorganic compound essential in cleaning, water treatment, food processing, and chemical applications. Its combination of alkalinity, solubility, and chemical stability makes it effective as a cleaner, pH regulator, and phosphate source. By enabling efficient surface preparation, water conditioning, and process optimization, TSP continues to be a valuable and widely used chemical in industrial, commercial, and laboratory settings.
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