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Mono, Di, and Tri Sodium Phosphate are inorganic salts that contain sodium and phosphate ions. These compounds are widely used in various industries, including food and beverage, water treatment, and detergents, due to their diverse properties and applications.
Mono Sodium Phosphate (MSP), with the chemical formula NaH2PO4, is a white crystalline powder that is highly soluble in water. It is commonly used in the food industry as a buffering agent, emulsifier, and pH regulator. MSP is also utilized in water treatment processes, pharmaceutical formulations, and as a cleaning agent in detergents.
Di Sodium Phosphate (DSP), with the chemical formula Na2HPO4, is another white crystalline powder that is soluble in water. It is used as a pH regulator, emulsifier, and food additive in various food and beverage products. DSP is also employed in water treatment, as a buffering agent, and as a cleaning agent in detergents.
Tri Sodium Phosphate (TSP), with the chemical formula Na3PO4, is a white crystalline powder that is highly soluble in water. It is commonly used as a cleaning agent, degreaser, and stain remover in household and industrial applications. TSP is also utilized in water treatment, as a pH regulator, and as a food additive in certain applications.
| Property | Mono Sodium Phosphate (MSP) | Di Sodium Phosphate (DSP) | Tri Sodium Phosphate (TSP) |
|---|---|---|---|
| Chemical Formula | NaH2PO4 | Na2HPO4 | Na3PO4 |
| CAS Number | 7558-80-7 | 7558-79-4 | 7601-54-9 |
| Molecular Weight | 120.01 g/mol | 141.96 g/mol | 163.94 g/mol |
| Appearance | White crystals | White crystals | White crystals |
| Purity | ≥ 98% | ≥ 98% | ≥ 98% |
| pH (1% solution) | 4.1 – 4.5 | 8.0 – 9.6 | 11.5 – 12.5 |
| Solubility | Soluble in water | Soluble in water | Soluble in water |
| Sodium Content | ≥ 22% | ≥ 21% | ≥ 16% |
| Phosphate Content | ≥ 34% | ≥ 34% | ≥ 42% |