| Sodium fluoride |
| Molecular formula |
NaF |
| Molecular weight |
41.99 |
| Dangerous level |
6.1 |
| Packing |
25kg PE lined plastic woven bag/1000kg bulk bag/kraft paper bag |
| Physicochemical properties |
white or off-white powder, Specific gravity 2.25, Melting point.: 993°C, Boiling point.: 1695°C. It is soluble in water,hydrofluoric acid; slightly soluble in alcohols. Its aqueous solution is weak al |
| Uses |
Used as agricultural pesticide, wood preservative, metal flux, analysis reagent, also used in machinery for the inserted steel welding， fermentation equipment, manufacturing of fluorine compounds. |
| Quality index |
| Index name |
Toothpaste grade |
crystalline |
powdery |
Second grade |
| Sodium fluoride NaF % |
≥98.5 |
≥98 |
≥98 |
≥95.97 |
| Water-insoluble matter % |
≤0.1 |
≤0.5 |
≤0.5 |
≤0.7 |
| Sulfate (as so42) |
≤0.2 |
≤0.3 |
≤0.3 |
≤0.3 |
| Silicon dioxide |
≤0.4 |
≤0.5 |
≤0.5 |
≤0.5 |
| Sodium carbonate |
≤0.1 |
≤0.2 |
≤0.2 |
≤0.5 |
| Acid Sodium (as HF) |
≤0.1 |
≤0.2 |
≤0.2 |
≤0.2 |
| Moisture |
≤0.2 |
≤0.5 |
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