
Sodium Monofluorophosphate (MFP) is a crucial fluoride-containing inorganic compound with the MF: Na₂PO₃F and MW: 143.95. It exhibits stable properties at room temperature. As a fluoride compound, its core characteristic lies in the slow release of fluoride ions while avoiding the strong irritation of free fluorine. Its primary applications focus on oral care and industrial sectors, combining caries prevention with chemical stability.
| Item | Specification |
| Melting point | 625°C |
| Vapor pressure | 0 Pa at 20°C |
| Solubility | Highly soluble in water; insoluble in organic solvents such as ethanol and diethyl ether. |
| Stability | Stable. Incompatible with phosphorus oxide and strong oxidizing agents. |
Oral Care Applications
– Serves as a primary anti-cavity ingredient in toothpaste, replacing traditional sodium fluoride for children and sensitive mouths.
– Used in mouthwashes and oral gels for high-risk populations (e.g., orthodontic patients, elderly).
Industrial Applications
– Added as a corrosion inhibitor to metal cutting fluids or electroplating solutions for surface treatment of metals like aluminum and steel.
– Used in industrial circulating water systems to suppress scale formation and microbial growth in pipelines while reducing the solubility of heavy metal ions (e.g., lead, cadmium) in water, thereby minimizing water pollution.
Agricultural Applications
– As a fluorine supplement for crop cultivation in fluorine-deficient soils.
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