Products
Product name: Ammonium Bifluoride
CAS number: 1341-49-7
Molecular formula: NH4F·HF
Molecular weight: 57.05
Technical index: GB28655/2012
Property : White or off-white flaky, flaky crystalline solid, white or off-white flaky, flaky crystalline solid is usually pressed into flat flaky or disc shape, soluble in cold water, more soluble in hot water. The aqueous solution is strongly acidic, can corrode glass, and is toxic.
Uses: Glass etching: used for manufacturing frosted glass (often used in combination with hydrofluoric acid). Chemical reagent for disinfection and preservative in the fermentation industry. It is also used in the manufacture of ceramics and magnesium alloys, extraction of rare elements, and as a preservative and dyer. Metal treatment: cleaning and passivation of aluminum, stainless steel.
Storage: Store in a cool, dry place, sealed, must be kept dry, and isolated from alkaline materials
Packaging: Packaged in polyethylene plastic bags, each bag weighs 25kg.
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Item |
Index |
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Premium grade |
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Ammmonium Bifluoride(NH5F2) (on dry basis), % ≥ |
98.0 |
97.0 |
95.0 |
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Loss on drying, % ≤ |
1.5 |
3.0 |
5.0 |
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Residue on ignition , % ≤ |
0.1 |
0.2 |
0.2 |
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Sulfates (as SO4), % ≤ |
0.1 |
0.1 |
0.1 |
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Ammonium fluorosilicate [(NH4)2SiF6], % ≤ |
0.5 |
2.0 |
4.0 |
