What Are the Properties and Uses of Aluminium Nitrate Salt?

What Are the Properties and Uses of Aluminium Nitrate Salt?

Aluminium nitrate salt is identified as a chemical compound resembling a salt derived from the combination of nitric acid and aluminum. Aluminum, the most plentiful metal in the Earth’s crust, is typically encountered in conjunction with other elements such as oxygen, silicon, and fluorine. Meanwhile, nitrite, a hazardous compound, is recognized for its ability to induce methemoglobinemia. Typically, under standard conditions, Aluminum nitrate salt manifests in the form of crystalline hydrate. Visually, it presents itself as a crystalline solid or powder with a white hue. At standard temperature and pressure, aluminum nitrate is indeed a solid compound. Its chemical formula is represented as Al(NO3)3.

Applications of Aluminium Nitrate Salt in Industry

In industry, aluminium nitrate salt has many applications. These include leather tanning, extraction of uranium, and petroleum refining. As antiperspirants, corrosion inhibitors, and as a nitrating agent. The tanning industry has a function in the process of shedding hair on animal skin. Apart from that, It also has the function of helping the penetration of tanning agents into the skin.

Exploring Applications Across Industries

Aluminum nitrate has the following properties:

  • Molar mass = 212.996 g/mol
  • Density = 1.401 g/cm³
  • Melting point = 72.8°C
  • Boiling point = 135°C
  • Molecular weight = 375.13 g/mol

It has good solubility in several compounds such as water, methanol, ethanol, and ethylene glycol. In water, aluminium nitrate has a solubility of 160g/100ml, in methanol 14.45g/100ml, in ethanol 8.63g/100ml, and 18.32g/100ml in ethylene glycol.

Safety Measures and Handling Precautions

When handling aluminum nitrate, it must be kept away from explosive materials. While it doesn’t burn itself, this substance can speed up the combustion of flammable materials. In cases of significant quantities or finely divided combustible materials, it could lead to explosions. Continued exposure to fire or high temperatures may also trigger explosions. Fires involving this substance emit nitrogen oxides as byproducts.

aluminium nitrate salt

Crucial Role in Uranium Extraction

In the uranium extraction process, aluminum nitrate takes on the function of a solvent. Uranium mining involves retrieving uranium from the Earth’s surface. Uranium ores typically contain uranium oxide minerals, which are often insoluble in water. Considering the vital role uranium plays, it’s challenging to imagine the contemporary world without it.

It plays a crucial role in this extraction process, making the extraction much more complex without its presence. It forms soluble complexes with uranium oxide minerals, allowing the uranium to be dissolved into the solution. This solution containing dissolved uranium can then be further processed to extract and purify the uranium for various applications, such as nuclear fuel production.

Catalytic Function in Petroleum Refining

It can also function as a catalyst in the cracking process in the petroleum refining industry. Its task as a catalyst is related to its function in reducing the activation energy which helps the breakdown of large carbon molecules into smaller molecules. Aluminum nitrate will act as a proton donor.

Everyday Applications and Health Considerations

It is also has a more practical function in our daily lives. This substance has a function as an antiperspirant which can prevent body odor caused by sweat. The key is the aluminum content. Aluminum works by blocking sweat glands, blocked sweat glands will prevent moisturizing of the skin which leads to body odor. Another no less important use of aluminum nitrate is as a corrosion inhibitor. The aluminum ions in aluminium nitrate will form a kind of layer that will protect the metal from corrosive substances around it. Of course, the application must be done regularly to provide better rust prevention on the metal.

Another significant application of aluminum nitrate lies in the realm of dyeing, where it functions as a mordant. A mordant is a specialized agent designed to achieve a particular purpose, namely, binding dyes to materials. In the context of aluminium nitrate, its role as a mordant is particularly prominent in cotton dyeing.

Safety Guidelines for Handling

With the many uses of aluminum nitrate in various industries, It is an item that is often traded and transported. As a professional who deals with large amounts of aluminium nitrate salt, it is necessary to understand the dangers and handling procedures of to reduce the risk of accidents in the workplace. While It is not highly dangerous, it is crucial to handle it with care and take appropriate precautions.

When working with aluminium nitrate salt, it is essential to wear protective gear, including a face shield, goggles, rubber gloves, and dust respirators, to ensure safety. Ingestion of large amounts of aluminum nitrate salt can lead to severe health complications such as gastric irritation, vomiting, diarrhea, and nausea, requiring immediate medical attention. Additionally, exposure to aluminum nitrate in the eyes or skin may result in irritation. In such cases, it is recommended to flush the affected area with plenty of water for at least 15 minutes and cleanse the skin with water and mild soap.


The preceding text provides a comprehensive overview of Aluminium nitrate salt and its multifaceted applications across various industries. From its role in uranium extraction to everyday applications like antiperspirants and corrosion inhibitors, aluminum nitrate salt proves to be a versatile compound with significant utility. Nevertheless, proper handling and adherence to safety measures are paramount to harnessing its benefits while mitigating potential risks. If you are interested in our products for your specific business needs, please do not hesitate to contact us.