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Disodium phosphate(DSP) Na2HPO4

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Anhui Techchem Industrial Co.,Ltd. will participate in the Shanghai CPHI China 2026 exhibition.

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Disodium phosphate(DSP) Na2HPO4

Name: Disodium phosphate

CAS No.:7558-79-4

Appearance: White crystal powder

Molecular formula: Na2HPO4

Molecular Weight: 141.96

Melting point:243-245°C(lit.)

PACKAGE:25KG/BAG


  • CAS No:

    7558-79-4
  • Application:

    Technical Grade
  • Packaging:

    25kg/bag
  • Payment:

    T/T
  • product origin:

    China
  • Appearance:

    white powder
  • Product Details

Description:

Disodium phosphate(DSP) Na2HPO4, formula KH2PO4, is a white crystalline solid. It is one of the most common phosphate compounds. Disodium hydrogen phosphate is obtained by the reaction of sodium hydroxide and phosphoric acid, soluble in water, and appears acidic in water. It can also be obtained by the reaction of phosphoric acid with hydroxide ions in sodium hydroxide.

Disodium hydrogen phosphate is widely used in industry and laboratory. Here are some of the main application areas:
Application:
1.Food industry: Disodium hydrogen phosphate is a phosphate commonly used in food additives. It can be used as a flavoring agent, acidity regulator, starter and stabilizer.
2.Fertilizer: Disodium hydrogen phosphate can be used as one of the raw materials of phosphate fertilizer to supply the phosphorus required by plants.
3.Buffer: Since disodium hydrogen phosphate is acidic in aqueous solutions, it can be used as a buffer solution in the laboratory. The buffer solution can maintain the pH of the solution within a certain range, so that the pH value in the experiment remains stable.
4.Cleaning agents: Disodium hydrogen phosphate is widely used in cleaning and descaling agents. It can remove rust and calcium scale from metal surfaces.
In addition to the above applications, disodium hydrogen phosphate can also be used in the pharmaceutical industry, water treatment, cosmetics, agriculture and animal feed. It is a common and multifunctional chemical substance and has a wide range of application prospects.

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