Introduction
Name: sodium fluoride
CAS No: 7681-49-4
Molecular Formula: NaF
Sodium fluoride can be added in small amounts to drinking water to prevent tooth decay, as well as in toothpaste.
Specifications
|
Index name |
Toothpaste grade |
Crystalline |
Powder |
Second |
|
NaF % |
≥98.5 |
≥98 |
≥98 |
≥95 |
|
Water Insoluble % |
≤0.1 |
≤0.5 |
≤0.5 |
≤0.7 |
|
Sulfate (in SO4 dollars) |
≤0.2 |
≤0.3 |
≤0.3 |
≤0.3 |
|
Silica % |
≤0.4 |
≤0.5 |
≤0.5 |
≤0.5 |
|
Sodium carbonate % |
≤0.1 |
≤0.2 |
≤0.2 |
≤0.5 |
|
Acidity (in HP dollars) % |
≤0.1 |
≤0.2 |
≤0.2 |
0.2 |
|
Moisture % |
≤0.2 |
≤0.5 |
|
|
Packing: 25kg/bag.
Other specifications of products can be provided as required.
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Application
- In some countries, trace amounts of sodium fluoride are added to drinking water and toothpaste to prevent tooth decay.
- Sodium fluoride can be used as an agricultural pesticide with bactericidal effect;
- Wood preservative;
- Water treatment agent;
- Ceramic pigment;
- Metal flux and an analytical reagent;
- It can be used for the manufacture of fluorine compounds.
Chemical & physical properties
Molecular formula
NaF
Molecular weight
41.99
CAS NO
7681-49-4
EINECS NO
231-667-8
Density
1.02 g/cm³
Appearance
white crystalline or powder
Melting point
993 ℃
Boiling point
1700 ℃
Water Solubility
40.4 g/L (20℃)
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