Disodium Phosphate (Anhydrous) -DSP
Disodium phosphate (anhydrous), also known as disodium hydrogen phosphate or sodium phosphate dibasic, is a versatile inorganic compound with the chemical formula Na₂HPO₄.
This white, odorless crystalline powder is widely used across food, pharmaceutical, and industrial applications due to its valuable buffering, emulsifying, and stabilizing properties.
Key Properties
This highly soluble salt readily dissolves in water to create alkaline solutions with excellent pH buffering capacity, typically maintaining pH levels between 8 and 9. The anhydrous form contains no water of crystallization, distinguishing it from its hydrated variants and making it particularly suitable for applications where moisture control is critical.
Applications
In the food industry, disodium phosphate serves as an FDA-approved food additive (E339ii) functioning as an emulsifier, stabilizer, and acidity regulator. You’ll find it in processed cheeses, baked goods, dairy products, and as a component in baking powders where it helps control texture and shelf life.
Pharmaceutical manufacturers utilize disodium phosphate as a buffering agent in medications and as an excipient in tablet formulations. It’s also a key ingredient in saline laxatives and can be found in various diagnostic preparations.
Industrial applications span water treatment processes, where it acts as a corrosion inhibitor and water softener, as well as in detergents, cleaning products, and textile processing.
Safety and Handling
Disodium phosphate is generally recognized as safe (GRAS) when used in accordance with good manufacturing practices. The compound should be stored in tightly sealed containers in cool, dry conditions to prevent moisture absorption and caking.
With its multifunctional capabilities and proven track record across industries, disodium phosphate (anhydrous) remains an essential ingredient for manufacturers seeking reliable performance in buffering, stabilization, and pH control applications.
| Product Name | Disodium Phosphate (Anhydrous) |
|---|---|
| Chemical Formula | Na₂HPO₄ |
| Molecular Weight | 141.77 g/mol |