colorless crystals, soluble in water. Fire and explosion safe.
| Content of main substance, %, not less | 98,0 |
| The residue after calcination, %, max | 0,05 |
| Sulfates (SO4), %, max | 0,1 |
| Iron (Fe), %, max | 0,0008 |
| Chloride (Cl), %, max | 0,0008 |
| Heavy metals (Pb), %, max | 0,001 |
| Fluosilicate ammonium (NH4) 2SiF6, %, max | 0,5 |
Ammonium bifluoride
Distinguish Ammonium fluoride and Ammonium Bifluoride (Fluoride acid).
- In glass production, this is one of the components for obtaining glasses of increased transparency, as well as for obtaining color samples that pass only a certain part of the spectrum. With it, the highest quality crystal is produced, and also the etching of glass surfaces is carried out. In the production of large flat glass it is used to improve the quality of a flat surface with a high degree of transparency.
- In ferrous and non-ferrous metallurgy, it is used as an additive to ensure the uniform distribution of components, and it is also used as a universal flux.
- It cleans scum well, therefore it is an integral component for boiler and thermal power plants. It is also used in superheated steam supply systems.
- In the oil industry, it participates in certain stages of the cracking process.
- Another one of its use is preserving antiseptic, which prevents the decomposition of wood and skin. It is widely used by archaeologists.
- When painting natural materials, it is used as a dressing agent.
For more details on the use of Ammonium Bifluoride, click here.
Very soluble in water. When humidified (including contact with human skin), ammonium Bifluoride becomes a corrosive substance, therefore during transportation and storage it is necessary to observe measures to prevent humidification of the product.
When wet, Hydrofluoric acid forms, which corrodes glass and metal.
Upon contact with the skin, it interacts with moisture and a chemical burn occurs.
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Yes, acid ammonium fluoride and ammonium bifluoride are two names for the same substance with the formula NH₄F·HF. The name “ammonium bifluoride” may also appear in documents. When purchasing, it is important to check not only the name but also the mass fraction of the main substance, total fluorine, moisture content, sulfates, chlorides, iron, heavy metals and other regulated impurities. This helps accurately match the batch to the enterprise’s requirements and avoid substitution with similar fluorine-containing salts.
Acid ammonium fluoride, or ammonium bifluoride, differs from ammonium fluoride in composition: it contains an additional HF component, so the formula is written as NH₄F·HF. Because of this, the product has a more pronounced acidic nature and requires especially careful handling. Ammonium fluoride and ammonium bifluoride cannot be considered interchangeable without checking the process regulations: they differ in chemical activity, safety requirements, storage conditions and behaviour in solutions.
Acid ammonium fluoride 98% is stored in sealed factory packaging, in a dry, ventilated, unheated warehouse, separately from moisture and incompatible substances. The product must not come into contact with damaged packaging, a wet floor, or open containers, since moisture ingress can lead to caking and worse dosing. For a wholesale batch it is important to preserve labelling, quality certificate, production date and traceability of bags from receipt through to transfer into production.
Ammonium bifluoride is classified as a hazardous fluorine-containing substance and requires strict personnel protection. When decanting, dosing and preparing solutions, chemically resistant gloves, safety goggles or a face shield, protective clothing, a respirator and exhaust ventilation are used. Dust or solution must not be allowed to contact the skin, eyes or respiratory tract. If spilled, the product is collected dry into a suitable container, preventing it from entering wastewater, and further handling follows the enterprise’s instructions.
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