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Molecular Formula: NH4HF2
Molecular Weight: 57.05
Typical properties：Colorless diamond shape crystal, easily become deliquescent. It is easily soluble in water and lightly soluble in alcohol. It will be decomposed in heat and in hot water. It is toxic and can corrode glass.
Item index:
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Item
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Index |
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Superior Product |
Top Product |
Qualified Product |
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Ammonium Hydrogen Fluoride (NH4HF2) (as dry basis), w/% ≥ |
98.0 |
97.0 |
96.0 |
|
Loss on drying, w/% ≤ |
1.5 |
3.0 |
4.0 |
|
Ignition Residue, w/% ≤ |
0.1 |
0.2 |
－ |
|
Sulfate(as SO4), w/% ≤ |
0.1 |
0.1 |
－ |
|
Ammonium Fluorosilicate [(NH4)2SiF6], w/% ≤ |
0.5 |
1.5 |
3.0 |
Applications:
Used in glass etching, extracts its rare elements and be used as preservative and mordant
Storage:
Please store in a sealed environment, avoid moisture.
Transportation:
Transported as inorganic toxic substance
Packing:
Filled in polyethylene plastic bag. Its net weight is 25kg per bag or according to customer’s requirements.