di-Sodium Hydrogen Phosphate Dodecahydrate (500gm)

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Size :

  • 500gm
  • 1 kg

Uses: Used as Buffer Solution, for water treatment processes and as emulsifying agent in Food Industry

Product SKU: qjY3715Fhj

Product's name:

Chemical Disodium hydrogen phosphate dodecahydrate

Melting temperature:

35 °C

Boiling point:

158 °C


4.5 (12 g/liter, H2O, 25 °C)

Block Density:

1000 kg / m3


218g / Liter ( 20 °C )


Cool, dry place



Disodium hydrogen phosphate dodecahydrate, also known by its chemical formula Na2HPO4·12H2O, is a hydrated form of disodium hydrogen phosphate. It is a white, crystalline solid that is highly soluble in water.

This compound is commonly used in various industrial and laboratory applications. It serves as a buffering agent in the manufacturing of detergents, as well as in water treatment processes. In addition, it finds applications in the food industry as a food additive and in the pharmaceutical industry as a component of certain medications.

Di-Sodium Hydrogen Phosphate Dodecahydrate, also known as disodium phosphate or DSP, is a common food additive that serves several functions in food processing. Here are some of its key features and uses in the food industry:

  1. Chemical Formula: The chemical formula of di-Sodium Hydrogen Phosphate Dodecahydrate is Na2HPO4·12H2O, indicating its composition of two sodium (Na) atoms, one hydrogen (H) atom, one phosphorus (P) atom, and twelve water (H2O) molecules.

  2. Buffering Agent: DSP is often used as a buffering agent to maintain the pH of processed foods. It helps to stabilize the acidity or alkalinity of food products, preventing drastic changes in pH that could affect taste, texture, or shelf life.

  3. Emulsifier: It acts as an emulsifying agent in food processing, helping to blend ingredients that would otherwise separate, such as oil and water. This property is particularly useful in the production of processed cheese, where it helps to create a smooth and creamy texture.

  4. Texturizer and Thickener: DSP can also function as a texturizer and thickener in various food products. It is commonly used in powdered food items like pudding mixes and instant soups to improve their texture and mouthfeel.

  5. Nutrient Source: In addition to its functional properties, DSP also provides a source of phosphorus, an essential nutrient for human health. Phosphorus plays a crucial role in bone health, energy metabolism, and many other physiological processes.

  6. Water Retention: The dodecahydrate form of disodium phosphate means that it contains twelve water molecules per molecule of the compound. This high water content makes it useful for retaining moisture in certain food products, thereby improving their shelf life and preventing them from drying out.

  7. Regulatory Status: As a food additive, di-Sodium Hydrogen Phosphate Dodecahydrate is generally recognized as safe (GRAS) by regulatory agencies such as the U.S. Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA) when used in accordance with good manufacturing practices.

  8. Labeling: In food products, it is typically listed on ingredient labels as "disodium phosphate," "sodium phosphate dibasic," or "E339(ii)" in Europe, depending on regional regulations.

While di-Sodium Hydrogen Phosphate Dodecahydrate offers several benefits in food processing, it's essential to use it judiciously and in accordance with regulatory guidelines to ensure food safety and quality.Safety: As with many chemical compounds, safety precautions should be taken when working with di-sodium hydrogen phosphate dodecahydrate, especially when handling it in its pure form. Proper protective equipment and safety protocols are essential to ensure safe usage.

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