| Customization: | Available |
|---|---|
| CAS No.: | 7558-79-4 |
| Formula: | Hna2o4p |
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1. Properties of disodium hydrogen phosphate
Disodium hydrogen phosphate is a weakly acidic compound that can react with sodium hydroxide to form trisodium phosphate (Na3PO4).
Its solubility increases with increasing temperature, but its solubility is still relatively low at room temperature.
The solution of disodium hydrogen phosphate is acidic and can be neutralized with alkaline substances.
It can decompose at high temperatures to form sodium phosphate and water.
2. Uses of disodium hydrogen phosphate
2.1 Food industry
Disodium hydrogen phosphate is widely used in the food industry, mainly as an acid regulator and leavening agent for condiments, beverages, dairy products, cakes, biscuits and other foods.
In the production process of bread and cakes, it can be used as a leavening agent together with baking soda to make the dough softer.
2.2 Pharmaceutical industry
Disodium hydrogen phosphate is also widely used in the pharmaceutical industry.
It can be used as one of the components of phosphate buffer for cell culture and biochemical experiments.
In addition, it can also be used to treat diseases such as urinary tract infections and acidosis.
2.3 Water treatment field
Disodium hydrogen phosphate also has important applications in the field of water treatment.
It can be used as a water treatment agent to prevent the formation of scale and corrosion of water pipes.
In addition, it can also be used in wastewater treatment to help remove heavy metal ions in wastewater.
2.4 Other fields
In addition to the above fields, disodium hydrogen phosphate can also be used to produce chemicals such as fertilizers, detergents and dyes.
In addition, it can also be used in photolithography in the electronics industry to help form miniature circuits.
3. Application of disodium hydrogen phosphate
3.1 Food processing
During food processing, disodium hydrogen phosphate can be used as a seasoning, leavening agent and acid regulator.
It can help dough become softer and make bread and cake more delicious.
3.2 Water treatment
Disodium hydrogen phosphate can be used as a water treatment agent to prevent the formation of scale and corrosion of water pipes.
It can help remove heavy metal ions in wastewater and purify water quality.
| Name of index | GB25568-2010 |
Result |
Disodium Phosphate Na2HPO4 (on dried material) ≥ % |
98.0 | 98.0 |
Water Insoluble ≤% |
0.2 | 0.2 |
Arsenic (As) ≤% |
0.0003 | 0.0003 |
Heavy Metal (as Pb) ≤% |
0.001 | - |
Fluoride (as F) ≤% |
0.005 | 0.005 |
Loss on drying Na2HPO4 ≤% |
5.0 | 5.0 |
Loss on drying Na2HPO4·2H2O % |
18.0-22.0 | 18.0-22.0 |
Loss on drying Na2HPO4·12H2O ≤% |
61.0 | 61.0 |
Pb ≤% |
0.0004 | 0.0004 |
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