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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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