Sodium Phosphate Dibasic Anhydrous (DSP), CAS 7558-79-4, is a white, water-soluble inorganic compound used as a buffering agent, emulsifier, and nutrient supplement. It stabilizes pH in food, pharmaceuticals, and industrial applications. Common in water treatment and detergents, it also serves as a reagent in laboratory settings and a key component in phosphate-based fertilizers. https://chemical-sales.com