What Is Ammonium Fluoride?
Ammonium fluoride is an ionic compound presented as a white crystalline powder with the chemical formula FH4N and a molecular weight of 37.04. Its CAS number is 12125-01-8, recognized as hazardous under industrial safety regulations.
Uses of Ammonium Fluoride
Its applications include:
- Etching agent for glass and semiconductor materials.
- Detergent component for removing silica scale.
- Disinfectant in brewing equipment and wood preservatives.
- Surface treatment agent for metals, and in textile printing and dyeing.
- Insecticide and chemical analysis reagent.
Properties of Ammonium Fluoride
This compound is highly soluble in water, slightly soluble in ethanol and acetone, and known for eroding glass and corroding aluminum. It has a melting point of 238°C and a pH range of 6.0-7.5, indicating mild acidity.
Other Information on Ammonium Fluoride
1. Production Method
Ammonium fluoride can be synthesized by reacting ammonia water with ammonium bifluoride or by treating ammonia gas with hydrofluoric acid, among other methods.
2. Legal Information
Subject to various laws and regulations, ammonium fluoride is classified as a deleterious substance and hazardous under environmental and safety laws.
3. Precautions for Handling and Storage
Proper protective equipment should be used to avoid exposure. In case of fire, nonflammable extinguishing agents are recommended. Immediate measures should be taken if contact with skin or eyes occurs, and storage should be in non-erodible containers, away from direct sunlight, and a well-ventilated area.