What Are The Physical And Chemical Properties Of Aluminium Phosphate?
Aluminum phosphate (AlPO4) is a white crystalline solid that has several physical and chemical properties.
Physical Properties:
1. Appearance: Aluminum phosphate is a white, odorless, crystalline solid.
2. Melting Point: The melting point of aluminum phosphate is 1,550°C (2,822°F).
3. Density: The density of aluminum phosphate is 2.56 g/cm³.
4. Solubility: Aluminum phosphate is insoluble in water but soluble in strong acids and alkalis.
Chemical Properties:
1. Acidic Nature: Aluminum phosphate is an acidic compound with a pH of less than 7.
2. Stability: Aluminum phosphate is stable under normal conditions but can decompose at high temperatures, releasing phosphoric acid and aluminum oxide.
3. Reactivity: Aluminum phosphate reacts with strong bases to form soluble aluminum salts.
4. Adsorption Capacity: Aluminum phosphate has a high surface area and can adsorb various substances from solution.
In summary, the physical and chemical properties of aluminum phosphate make it useful in a variety of applications, such as a catalyst, a flame retardant, and a component in ceramics and glasses.