7681-49-4 Sodium fluoride Sodium fluorideV Price
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roduct Name Sodium fluoride
Molecular Formula NaF
Molecular Weight 41.99
CAS Registry Number 7681-49-4
EINECS 231-667-8
Density 2.558
Melting point 993°C
Boiling point 1700°C
Water solubility 4 g/100 mL (25°C)
Specifications
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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d sulfuric acid
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