Sodium fluoride
| Produktname | Sodium Fluoride |
|---|---|
| CAS-Nummer | 7681-49-4 |
| Andere Bezeichnungen | NaF, Sodium fluoride |
| Molekülformel | NaF |
| Molekulargewicht | 41.99 g/mol |
| Aussehen | White crystalline powder or colorless crystals |
| Assay | ≥99.0% (dry basis) |
| Trocknungsverlust | ≤0,5% |
| Schwermetalle | ≤ 10 ppm |
| Löslichkeit | Soluble in water (4.3 g/100 mL at 25°C), slightly soluble in ethanol |
| Particle Size | Typically 100-200 mesh (customizable) |
| Verpackung | 25 kg net in multi-wall paper bags with PE liner, or as per customer request |
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Synonyms: Sodium fluoride, NaF, Floridine, Sodium monofluoride, Natrium fluoride, Sodium fluorure
Sodium fluoride is an inorganic compound with the formula NaF, appearing as a white crystalline powder or colorless crystals. It is the primary source of fluoride ions in various applications, produced either synthetically by neutralizing hydrofluoric acid with sodium hydroxide or as a byproduct in aluminum smelting and phosphate fertilizer production. Commercial grades include technical, pharmaceutical, and high-purity grades, with the pharmaceutical grade often meeting pharmacopeial standards such as USP, EP, or BP.
With its high fluoride content and excellent solubility, sodium fluoride is a versatile ingredient used across multiple industries. In oral care, it is a key active in toothpastes and mouthwashes for caries prevention. In pharmaceuticals, it is used in formulations for dental health and as a source of fluoride in medicinal products. Additionally, it serves as a flux in metallurgy, a fluorinating agent in organic synthesis, and a preservative in wood treatment. Its role in water fluoridation further underscores its importance in public health.
| Parameter | Technische Daten |
|---|---|
| Assay (NaF, dry basis) | ≥99.0% |
| Trocknungsverlust | ≤0,5% |
| Schwermetalle | ≤ 10 ppm |
| pH-Wert (1%-Lösung) | 7.0-9.0 |
| Water Insolubles | ≤0,1% |
| Particle Size | 100-200 mesh (customizable) |
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