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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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