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Mono, Di, and Tri Potassium Phosphate are inorganic salts that contain potassium and phosphate ions. These compounds are widely used in various industries, including agriculture, food and beverage, and pharmaceuticals, due to their ability to provide essential nutrients and act as buffering agents.
Mono Potassium Phosphate (MKP), with the chemical formula KH2PO4, is a crystalline salt that is highly soluble in water. It is commonly used as a fertilizer in agriculture to provide potassium and phosphorus to plants. MKP is also used in the food industry as a pH regulator, buffering agent, and nutrient supplement.
Di Potassium Phosphate (DKP), with the chemical formula K2HPO4, is another crystalline salt that is soluble in water. It is used as a food additive, buffering agent, and emulsifier in various food and beverage products. DKP is also utilized in pharmaceutical formulations and as a nutrient supplement in animal feed.
Tri Potassium Phosphate (TKP), with the chemical formula K3PO4, is a white crystalline powder that is highly soluble in water. It is commonly used as a pH regulator and buffering agent in various industries. TKP is also employed in water treatment processes and as a nutrient supplement in agriculture.
| Property | Mono Potassium Phosphate (MKP) | Di Potassium Phosphate (DKP) | Tri Potassium Phosphate (TKP) |
|---|---|---|---|
| Chemical Formula | KH2PO4 | K2HPO4 | K3PO4 |
| CAS Number | 7778-77-0 | 7758-11-4 | 7778-53-2 |
| Molecular Weight | 136.09 g/mol | 174.18 g/mol | 212.27 g/mol |
| Appearance | White crystals | White crystals | White powder |
| Purity | ≥ 98% | ≥ 98% | ≥ 98% |
| pH (1% solution) | 4.4 – 4.8 | 8.3 – 9.7 | 10.0 – 11.0 |
| Solubility | Soluble in water | Soluble in water | Soluble in water |
| Potassium Content | ≥ 52% | ≥ 40% | ≥ 32% |
| Phosphate Content | ≥ 34% | ≥ 34% | ≥ 44% |