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    Ammonium silicofluoride

    CAS No.: 1341-49-7

    Molecular formula: NH4HF2

    Molecular weight: 57.04

    Property: White crystals, slightly sour. Easy to deliquesce, easy to agglomerate, soluble in water, slightly soluble in alcohol. Decomposed in hot water, the aqueous solution is acidic.

    Product Standard: National Standard GB 28655-2012

    Index Superior product First grade
    Hydrofluoric Acid(NH4HF2)(On a dry basis)ω/% ≥ 98.0 97.0
    Fluorosilicic Acid[(NH4)2SiF6]ω/% ≤ 0.5 1.5
    Loss on drying ω/% ≤ 1.5 3.0
    Ignition Residue ω/% ≤ 0.1 0.2
    Sulfate(SO4)ω/% ≤ 0.1 0.1

    Packing: Plastic woven bags lined with polyethylene plastic film bags, net weight 25kg per bag.

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