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Products > Fine Chemicals & Pharmaceutical Intermediates
Sodium Fluoride
Formula: NaF
CAS NO.:7681-49-4
M.W.: 41.99
Properties: It is a white powder or crystal. Its relative density is 2.558, m.p. 993°Cand b.p. 1704°C. It is insoluble in ethanol and has toxic. Its aqueous solution will etch glass.
Specification:(%)
Toothpaste-grade |
High-grade |
First-grade |
|
NaF |
98.5 min. |
98.0 min. |
98.0 min |
Water-insoluble matter |
0.1 max |
0.5 max |
0.7 max |
Free acid (HF) |
0.1 max |
0.2max |
0.2 max |
Free base (Na2CO3) |
0.1 max |
0.2max |
0.5 max |
Sulfate (SO4) |
0.2 max |
0.3 max |
0.3 max |
Silicate (SiO2) |
0.5 max |
0.4 max |
0.5 max |
H2O |
0.5 max |
0.5max |
0.5 max |
Heavy metal (Pb) |
0.005max |
||
Fe |
0.005max |
||
As |
0.0005max |
Application: It is used in welding flux, toothpaste additive, preservative, bactericide, slagging medium of metallurgy, adhesive, papermaking and construction industry.
Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.