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Sodium Fluoride NaF
Sodium Fluoride
Chemical formula NaF
molecular weight 41.99
CAS 7681-49-4
EINECS 231-667-8
Physical properties: colorless shiny crystals or white powder, specific gravity 2.25, melting point 993 ℃ Boiling point 1695 ℃. Water-soluble, soluble, density 1.125g / cm³.
Chemical Properties: slightly soluble in alcohol. Weakly alkaline aqueous solution, dissolved in hydrofluoric acid from sodium fluoride, can corrode glass.
Uses: optical glass material, and the light-emitting materials, electronic materials, solvent and other
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Categories |
Industrial Grade |
Steel Grade |
Ceramic Grade |
Fluorescence grade |
Optical Grade |
High Purity |
Customized |
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Content not less than (%) |
93.0 |
96.0 |
98.0 |
99.0 |
99.8 |
99.99 |
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Impurity content not more than |
Na |
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0.05 |
0.01 |
0.002 |
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K |
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0.05 |
0.01 |
0.002 |
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Ca |
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Mg |
0.5 |
0.1 |
0.05 |
0.05 |
0.02 |
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Si |
1% |
0.5 |
0.1 |
0.05 |
0.01 |
0.002 |
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SO4 |
0.5 |
0.1 |
0.05 |
0.03 |
0.01 |
0.005 |
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Fe |
0.1 |
0.05 |
0.05 |
0.001 |
0.0005 |
0.0001 |
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Cl |
0.1 |
0.1 |
0.05 |
0.05 |
0.01 |
0.001 |
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Al |
0.1 |
0.1 |
0.05 |
0.02 |
0.002 |
0.001 |
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Cu |
0.05 |
0.02 |
0.002 |
0.001 |
0.0005 |
0.0002 |
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Heavy metals (Pb) |
0.05 |
0.02 |
0.002 |
0.001 |
0.0005 |
0.0002 |
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