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Potassium phosphate dibasic trihydrate, often abbreviated as K2HPO4-3H2O, is a chemical compound that contains potassium (K+), hydrogen (H+), phosphate (PO43-) ions, and three water molecules (tri meaning three and hydrate referring to water molecules). This compound is a hydrated form of potassium phosphate dibasic, indicating that it contains water molecules within its crystal structure.
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- Buffering Agent: Like its anhydrous counterpart, potassium phosphate dibasic trihydrate is commonly used as a buffering agent in various biochemical and molecular biology applications. It helps maintain a stable pH in solutions, particularly in the physiological range.
- Fertilizer: It can be used as a source of potassium and phosphorus in agricultural applications to promote plant growth and development.
- Laboratory Reagent: It is used as a reagent in chemical and biochemical experiments and analyses.
- Biological Applications: In biological research, potassium phosphate dibasic trihydrate may be used in the preparation of cell culture media and as a component of phosphate-buffered saline (PBS) solutions for cell and tissue culture.
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Product Information
| CAS | 16788-57-1 |
|---|---|
| Assay | Min 98.0% |
| Grade | Reagent Grade |
| Molecular formula | K2HPO4-3H2O |
| Molecular weight | 228.22 |
| Autoship Available | No |
| Heavy metals | 5 ppm |
| Insoluble matter | 0.01% |
| Sodium (Na) | 0.05% |
| Sulfate (SO4) | 0.01% |
