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    Sodium Fluoride ??
    Product name: Sodium Fluoride ??
    Molecular formula:


    CAS NO.: 7681-49-4

    Molecular weight :41.99
    Property :Colorless bright crystal or white powder, belonging to tetragonal crystal, with positive hexagonal or octahedral crystal, soluble in water, slightly soluble in alcohol, aqueous solution is alkaline reaction, can corrode glass. Soluble in hydrofluoric acid to form sodium hydrogen fluoride, toxic! It can corrode skin and stimulate mucous membranes. Invade the nervous system. The specific gravity is 1.02 g/mL (20 ° C), the melting point is 993 ° C, and the boiling point is 1700 ° C.
    Application :Aluminum smelting and welding flux, medical and wood preservatives, brewing industry fungicides, agricultural pesticides, drinking water fluorination treatments, used in the paper industry, toothpaste production, chemical reagents, also used in strip and stainless steel Pickling, production of other fluoride raw materials, production of adhesives, paper, and HF in the production of elemental fluorine. In addition, there are also applications in the enamel pharmaceutical industry.
    Pack:It is packed in 25kg plastic woven bag or composite kraft paper bag, carton or cardboard bucket.

    ITEM YingKe Standard
    Apperance White powder
    Assay % ≥99.00
    Insoluble in water %/td> ≤0.05
    Sulfate(SO4) % ≤0.03
    Cesium hexafluoro silicate % ≤0.6
    Iron(Fe) % ≤0.005
    Acidity mmol/100g ≤5.0
    Basicity mmol/100g ≤2.0
    Loss on drying@ 105℃ ≤0.2
    Chloride(Cl) % ≤0.005
    Heavy meatel(Pb) % ≤0.003
    Appearance of solution % ≤4

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