Aluminium Potassium Sulfate Dodecahydrate: CAS 7784-24-9, Uses, and Chemical Properties

2023-07-03 12:42:50 By : admin
Aluminium potassium sulfate dodecahydrate, also known as Alum, is a widely used chemical compound with a CAS No. 7784-24-9. The compound is popularly known for its applications in water purification, tanning, and food processing.

In this blog post, we will discuss the various applications of Aluminium potassium sulfate dodecahydrate, the properties of the compound, and its health and environmental effects.
Aluminium potassium sulfate dodecahydrate CAS 7784-24-9 | 101042


Properties

Aluminium potassium sulfate dodecahydrate is a colorless, transparent, crystalline solid that is soluble in water. The compound has a pH of 3.8 and a melting point of 92 degrees Celsius. It is a double salt, consisting of potassium sulfate and aluminum sulfate.

Applications

1. Water Purification

One of the most common applications of Aluminium potassium sulfate dodecahydrate is in water purification. The compound is used to treat water and remove impurities. It forms a sticky gelatinous substance in the water that sinks to the bottom, taking with it the impurities.

2. Tanning

Aluminium potassium sulfate dodecahydrate is utilized in leather tanning to fix the dyes to the leather. The compound helps to create a uniform, smooth surface that is suitable for further treatment.

3. Food Processing

Aluminium potassium sulfate dodecahydrate is also used in the food industry as a food additive. It is labeled as E526 and is added to pickles, vegetables, and baking powder. The compound acts as a stabilizer and contributes to longer shelf life.

Health and Environmental Effects

Aluminium potassium sulfate dodecahydrate is considered safe for human consumption but should be avoided in large quantities. Inhalation can cause respiratory irritation, while ingestion can cause stomach problems.

The compound does not have a significant impact on the environment. It is considered biodegradable and can be safely disposed of in landfills. However, it should not be disposed of in water sources as it can increase the aluminum toxicity in water.

Conclusion

Aluminium potassium sulfate dodecahydrate, also known as alum, is a versatile compound with a wide range of applications. It is safe for human consumption but should be used in moderation. The compound has various industrial applications, including in water purification, tanning, and food processing. Being a biodegradable compound, it has minimal impact on the environment. Always prioritize safety when handling this compound and be sure to dispose of it safely.