Ammonium Bifluoride Used For Metal Manufacturing, Nh4HF2 For Treatment Agents 1341-49-7
1. Product Introduction
CAS No: 1341-49-7
EINECS No: 215-676-4
Molecular formula: NH4HF2
Molecular weight: 38.0443
Industrial Ammonium Hydrogenfluoride
[Molecular Formula] NH4HF2
Ammonium Bifluoride is a white crystal with corrosive to skin and toxic. It is soluble in water and methanol, slightly soluble in ethanol, insoluble in propanone and liquid ammonia. When it is in hot water decomposition will occur to release ammonia and ammonium bifluoride.It is white or colorless transparent orthorhombic crystal at room temperature, with a slightly sour taste. It is easily deliquescent when heated or in hot water, and decomposes into ammonia and hydrogen fluoride. Decomposed in hot water, the aqueous solution is strongly acidic. It is obtained by neutralizing anhydrous hydrofluoric acid with liquid ammonia.
Ammonium Bifluoride Features
Solubility: Ammonium bifluoride is highly soluble in water, meaning it readily dissolves in water to form an aqueous solution. This solubility makes it useful for various applications where a water-soluble fluoride source is required.
Corrosive Nature: Ammonium bifluoride is corrosive to many materials, including metals, glass, and ceramics. It reacts with these materials, releasing hydrofluoric acid, which is highly corrosive and can cause severe burns.
Acidic Nature: Ammonium bifluoride is an acidic compound. When dissolved in water, it releases hydrogen ions (H+), resulting in an acidic solution. The pH of a solution containing ammonium bifluoride is typically below 7.
2. Product Specifications
Ammonium Bifluoride Specifications | Item | Standard |
| Content | 98% Min. |
| (NH4)2SiF6 | 0.7% Max. |
| SO42- | 0.1% Max. |
| Residue After Burning | 0.2% Max. |
| Loss On Drying | 3% Max. |
3. Product Applications
1. Glass etchant, preservative, disinfectant, solvent for metal beryllium made of beryllium oxide, analytical reagent and surface treatment agent for silicon steel plate.
2. Ammonium bifluoride is also used as an oxidant for the manufacture of ceramics and aluminum-magnesium alloys, as well as a cleaning agent for boiler feed water systems and steam generation systems.
3.Ammonium bifluoride can be used in acidification treatment of oilfield sand.
4. Ammonium bifluoride can be used as organic synthetic fluorinating agent.
5. Ammonium bifluoride can be used in plating solution.
6. Ammonium bifluoride can be used as reagents for extracting rare elements.
4. Ammonium Bifluoride Security Terms
S22:Do not breathe dust.
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the lable where possible).
R25:Toxic if swallowed.
R34:Causes burns.
5. Product Pictures
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