Potassium Alum Melting Point: Everything You Need To Know In 2023

Potassium alum Alchetron, The Free Social Encyclopedia


Potassium alum, also known as potassium aluminum sulfate, is a naturally occurring mineral that has been used for centuries for various purposes. One of the most important properties of potassium alum is its melting point, which is a crucial factor in determining its usability in different applications. In this article, we will discuss everything you need to know about the melting point of potassium alum.

What is Potassium Alum?

Potassium alum is a chemical compound that is used for a variety of purposes, including water purification, tanning, and as an antiseptic. It is found naturally in the earth’s crust and is known for its crystal-like appearance. Potassium alum is also used in the manufacturing of deodorants, food additives, and fire extinguishers.

How is Potassium Alum Made?

Potassium alum is made by dissolving aluminum sulfate and potassium sulfate in water and then allowing the solution to cool. As the solution cools, crystals of potassium alum begin to form. These crystals can be harvested and used for various purposes.

What is the Melting Point of Potassium Alum?

The melting point of potassium alum is approximately 92°C (198°F). This means that potassium alum will begin to melt at this temperature and will be completely melted at higher temperatures. The melting point of potassium alum is an important factor in determining its usability in different applications.

Applications of Potassium Alum:

Potassium alum has a wide range of applications due to its unique properties. Some of the most common applications of potassium alum include:

1. Water Purification:

Potassium alum is used in water purification to remove impurities and make the water safe for human consumption. It works by attracting and trapping impurities in the water, making them easier to remove.

2. Tanning:

Potassium alum is used in the tanning industry to help preserve animal hides and skins. It works by binding to the proteins in the skin, making it more durable and resistant to decay.

3. Antiseptic:

Potassium alum has antiseptic properties and is used to treat minor cuts and wounds. It works by killing bacteria and preventing infection.

4. Deodorant:

Potassium alum is a common ingredient in natural deodorants. It works by inhibiting the growth of bacteria on the skin, which is the main cause of body odor.


In conclusion, potassium alum is a versatile and useful mineral that has a wide range of applications. Its melting point is an important factor in determining its usability in different applications. By understanding the properties of potassium alum, we can better appreciate its importance and usefulness in our daily lives.