What Are The Physical Properties Of Aluminium Fluoride?
Aluminium fluoride (AlF3) is a white crystalline compound with the chemical formula AlF3. Some of its physical properties include:
1. Melting and Boiling Point: The melting point of aluminium fluoride is 1,290 degrees Celsius, while the boiling point is approximately 2,000 degrees Celsius.
2. Density: Aluminium fluoride has a density of approximately 2.88 grams per cubic centimetre.
3. Solubility: Aluminium fluoride is insoluble in water but is soluble in acids such as hydrochloric acid.
4. Crystal Structure: Aluminium fluoride possesses a trigonal crystal structure, meaning that its atoms are arranged in a triangular lattice.
5. Hardness: Aluminium fluoride is a relatively hard substance and has a Mohs hardness rating of 7, making it suitable for use as an abrasive.
6. Thermal Conductivity: Aluminium fluoride is a good thermal conductor, which means it can transfer heat quickly.
7. Electrical Conductivity: Aluminium fluoride is not a good electrical conductor and is considered an insulator.
8. Optical Properties: Aluminium fluoride is transparent to both ultraviolet and visible light, making it useful for some optical applications.
Overall, aluminium fluoride is a stable and robust compound with several useful physical properties that make it useful in a variety of industrial and scientific applications.