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Yigyooly Chemicals Co., Ltd.
  • Yigyooly Chemicals Co., Ltd.
    Products
    Sodium fluoride
    Molecular formula
    NaF
    Molecular weight
    41.99
    Dangerous level
    6.1
    Packing
    25kg PE lined plastic woven bag/1000kg bulk bag/kraft paper bag
    Physicochemical properties
    white or off-white powder, Specific gravity 2.25, Melting point.: 993°C, Boiling point.: 1695°C. It is soluble in water,hydrofluoric acid; slightly soluble in alcohols. Its aqueous solution is weak al
    Uses
    Used as agricultural pesticide, wood preservative, metal flux, analysis reagent, also used in machinery for the inserted steel welding, fermentation equipment, manufacturing of fluorine compounds.
    Quality index
    Index name
    Toothpaste grade
    crystalline
    powdery
    Second grade
    Sodium fluoride  NaF %
    ≥98.5
    ≥98
    ≥98
    ≥95.97
    Water-insoluble matter %
    ≤0.1
    ≤0.5
    ≤0.5
    ≤0.7
    Sulfate (as so42)
    ≤0.2
    ≤0.3
    ≤0.3
    ≤0.3
    Silicon dioxide
    ≤0.4
    ≤0.5
    ≤0.5
    ≤0.5
    Sodium carbonate
    ≤0.1
    ≤0.2
    ≤0.2
    ≤0.5
    Acid Sodium (as HF)
    ≤0.1
    ≤0.2
    ≤0.2
    ≤0.2
    Moisture
    ≤0.2
    ≤0.5