Sodium Fluoride NaF CAS 7681-49-4 Printing Ink Resin colorless crystal
Sodium fluoride white powder NaF CAS NO. 7681-49-4 industry grade
1.basic performance
Sodium fluoride,molecular NaF,molecular weight 41.99,colorless bright crystal or white powder compound.
The proportion is 2.25, the melting point is 993, and the boiling point is 1695. It dissolves in hydrofluoric acid and is slightly soluble in alcohol. The water solution is weak alkaline and poisonous.
2.specification of Sodium fluoride
| Grade | chemical composition | ||||||
| Naf | SiO2 |
Carbonate (CO32-) |
Carbonate (SO42-) |
acidity (HF) |
Insoluble in water | H2O | |
| more than | less than | ||||||
| Class A | 98 | 0.5 | 0.37 | 0.3 | 0.1 | 0.7 | 0.5 |
| second level | 96 | 1.0 | 0.74 | 0.5 | 0.1 | 3 | 1.0 |
| Three | 84 | - | 1.49 | 2.0 | 0.1 | 10 | 1.5 |
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Note: The conversion factor to convert the measured amount of fluorine into sodium fluoride is: NaF=(22.99+19.00)/19.00×ω(F)=2.21×ω(F).
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3.use of Sodium fluoride
Sodium fluoride is a kind of fluorine salt, mainly used in water treatment agent, wood preservative, ceramic pigment, light metal fluoride electrolytic flux. 2. It is used as agricultural insecticides and fungicides. 3. It is used as UF3 adsorbent in the nuclear industry, as well as other fluoride raw materials and enamel pharmaceutical industry, etc.
4.feature of Herrman
our company adpts the new technlogy of production of sodium fluoride,the purity can reach more than 99%,silicon content is less than 0.1.
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