Aluminum nitrate nonahydrate CAS NO (7784-27-2) For Sale

Aluminum nitrate nonahydrate, with the Chemical Abstracts Service (CAS) number 7784-27-2, is an inorganic compound composed of aluminum cations (Al^3+) and nitrate anions (NO3^-), combined with nine molecules of water. It is a highly water-soluble salt that finds applications in various industries, research laboratories, and chemical synthesis. Here are some key points regarding aluminum nitrate nonahydrate:

1. Chemical Composition: Aluminum nitrate nonahydrate has the chemical formula Al(NO3)3·9H2O, indicating that each aluminum ion is associated with three nitrate ions and nine water molecules in the compound.

2. Physical Properties: Aluminum nitrate nonahydrate typically appears as colorless to white crystals or crystalline powder. It is highly soluble in water, and its solubility increases with temperature. The presence of nine water molecules per formula unit contributes to its hygroscopic nature.

3. Preparation: Aluminum nitrate nonahydrate can be prepared through the reaction of aluminum metal or aluminum hydroxide with nitric acid, followed by crystallization: ��(��)3+3���3→��(��3)3+3�2�Al(OH)3​+3HNO3​→Al(NO3​)3​+3H2​O The resulting solution is then concentrated and cooled to induce crystallization of the nonahydrate form.

4. Uses:

• Industrial Applications: Aluminum nitrate nonahydrate is utilized in various industrial processes, including the production of aluminum-based chemicals, catalysts, and ceramics.
• Laboratory Reagent: It serves as a reagent in chemical laboratories for various synthetic reactions, including the preparation of other aluminum compounds.
• Mordant: Aluminum nitrate nonahydrate is used as a mordant in textile dyeing and printing processes to improve the uptake of dyes by fibers.

5. Coordination Chemistry: Aluminum nitrate nonahydrate can act as a Lewis acid due to the electron-deficient nature of the aluminum ion. It can coordinate with Lewis bases to form coordination complexes, which find applications in coordination chemistry and catalysis.

6. Oxidizing Agent: Like other nitrate salts, aluminum nitrate nonahydrate is a strong oxidizing agent and can promote oxidation reactions in certain chemical processes. Its oxidizing properties make it useful in organic synthesis and industrial applications.

7. Safety Considerations: Aluminum nitrate nonahydrate should be handled with care due to its potential toxicity and oxidizing properties. It may cause irritation to the skin, eyes, and respiratory tract upon contact or inhalation. Proper safety precautions should be observed during handling and storage.

8. Environmental Impact: Aluminum nitrate nonahydrate and its derivatives may have environmental implications due to their potential toxicity and persistence in the environment. Disposal practices should adhere to regulations to minimize environmental impact.

9. Research and Development: Ongoing research explores novel applications of aluminum nitrate nonahydrate and its derivatives, as well as methods for its synthesis and utilization in various fields, including materials science, catalysis, and environmental remediation.

10. Conclusion: Aluminum nitrate nonahydrate is a versatile compound with diverse applications in industry, research, and technology. Its solubility in water, reactivity, and coordination chemistry make it valuable in numerous chemical processes and synthetic reactions. However, proper handling, safety precautions, and disposal practices are essential to ensure safety and mitigate environmental impact.