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Sodium fluoride

Molecular formula NaF
CAS No. 7681-49-4
Specifications
Name Guaranteed reagent(%) Analytical reagent(%) Chemically pure(%) Spherical
Properties White crystalline powder  
Content(NaF) ≥99.0 ≥98.0 ≥98.0 ≥98.0
Clarity test Qualified Qualified Qualified Qualified
Water-insoluble matter ≤0.01 ≤0.05 ≤0.1 ≤0.05
Loss on drying ≤0.3 — — —
Acidity(H+),mmol/100g ≤2.5 ≤5.0 ≤10.0 ≤5.0
Alkalinity(OH-),mmol/100g ≤1.0 ≤2.0 ≤4.0 ≤2.0
Cl ≤0.002 ≤0.005 ≤0.01 ≤0.005
SO4 ≤0.01 ≤0.03 ≤0.05 ≤0.03
SiF6 ≤0.1 ≤0.6 ≤1.2 ≤0.6
Fe ≤0.002 ≤0.005 ≤0.005 ≤0.005
Pb ≤0.001 ≤0.003 ≤0.005 ≤0.003

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