Sodium fluoride NaF 7681-49-4
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Sodium fluoride
Product Information
Product Name | Sodium fluoride |
Synonyms | Natriumfluorid;Sodium fluoride solution |
Molecular Formula | NaF |
Molecular Weight | 41.99 |
CAS Registry Number | 7681-49-4 |
EINECS | 231-667-8 |
Density | 2.558 |
Melting point | 993℃ |
Boiling point | 1700℃ |
Water solubility | 4 g/100 mL (25℃) |
Description
Sodium fluoride is crystal or white powder.Relative density: 2.258, melting point: 993° C, boiling point: 1695° C. Slightly soluble in water and alcohol, dilute acid; Soluble in hydrofluoric acid, forming sodium bifluoride;
Application
Sodium fluoride is widely used in/as:
a.The manufacture of effervescing steel, and the smelting and refining of light metals.
b.Fluorination of drinking water, as a wood preservative, an adhesive preservative.
c.An insecticide, a protective coating for metals, a pickle for steels and other metals, a flux for soldering and welding,
d.A flux and pacifier for ceramic, glass and porcelain enamel.
Datasheet
Index Name |
Toothpaste grade |
Crystalline |
Powder |
Second |
NaF% |
≥98.5 |
≥98 |
≥98 |
≥95-97 |
Water insoluble% |
≤0.1 |
≤0.5 |
≤0.5 |
≤0.7 |
Sulfate (in SO4 2 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 HF dollars)% |
≤0.1 |
≤0.2 |
≤0.2 |
≤0.2 |
Moisture% |
≤0.2 |
≤0.5 |
|
|
Package
CAS NO:594-44-5
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