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:
|
Item
|
Index |
|
|
Analytical Reagent A.R |
Chemical Pure C.P |
|
|
Hydrogen Fluoride Ammonium (NH4HF2), w/% ≥ |
98.0 |
97.0 |
|
Ignition Residue (In Sulfate), w/% ≤ |
0.01 |
0.05 |
|
Chloride (Cl), w/% ≤ |
0.001 |
0.005 |
|
Sulfate (As SO4 ), w/% ≤ |
0.005 |
0.01 |
|
Fluosilicic Acid Salt (SiF6), w/% ≤ |
0.2 |
0.5 |
|
Ferrum (Fe), w/% ≤ |
0.001 |
0.005 |
|
Heavy Metal (As Pb), w/% ≤ |
0.002 |
0.005 |
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.
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