| 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:(%)
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Toothpaste-grade
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High-grade
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First-grade
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NaF
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98.5 min.
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98.0 min.
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98.0 min
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Water-insoluble matter
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0.1 max
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0.5 max
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0.7 max
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Free acid (HF)
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0.1 max
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0.2max
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0.2 max
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Free base (Na2CO3)
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0.1 max
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0.2max
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0.5 max
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Sulfate (SO4)
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0.2 max
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0.3 max
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0.3 max
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Silicate (SiO2)
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0.5 max
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0.4 max
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0.5 max
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H2O
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0.5 max
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0.5max
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0.5 max
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Heavy metal (Pb)
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0.005max
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Fe
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0.005max
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|
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As
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0.0005max
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Application: It is used in welding flux, toothpaste additive, preservative, bactericide, slagging medium of metallurgy, adhesive, papermaking and construction industry.
Storage: Store in seal Hermetically.
Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.
Storage: Store in seal Hermetically.
Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.