POTASH ALUMINIUM SULPHATE

Potash Aluminium Sulphate is an inorganic compound. It is the double sulphate of aluminium and potassium with molecular formula KAl(SO₄)₂. It is often experienced as dodecahydrate. In an alkali/base solution, Potassium Aluminium Sulphate crystallizes as a cubic structure, but when it comes into contact with the neutral solution, its crystallization is like an octahedral structure. It has other names, or maybe synonyms, like Potash-Alum, burnt-potassium-alum, and Aluminium Potassium disulfate. Alum of potassium and aluminium is the most significant member of the generic class, which plays a vital role in chemical compounds. Alum of potassium and aluminium with sulphate in a ratio 1:1:2 is metal sulphate. It is commonly referred to as “Fitkari”.

Physical Properties

Potash Alum is highly soluble in water but nonsoluble in ethanol and acetone. On heating, it turns a red color and forms a porous, thus-called burnt alum.

It is large, hard, stable, and transparent crystalline fragments or powder.

Uses And Applications For Acetic Acid

Potassium Alum is widely used in various fields of daily life, including:

• It is used as a fire-retardant frequently.
• It is also used for leather tanning and can be washed out easily.
• It is used to absorb moisture from hidden rotting.
• Its alum solution is used for machined castings of steel parts of machinery.
• It is used for dyeing, treatment/purification of water, and printing fabrics.
• It is used as an antiperspirant and in drugs.
• It is typically used for clarifying sugar.

Potash Aluminium Sulphate

Industrially, today, Potassium Alum is produced by adding Aluminium sulphate in potassium sulphate solutions (concentrated form).

Chemical Properties

• It is acidic in nature.
• It turns blue litmus paper into red.
• Moreover, it is an octahedral-structured sulphate.
• Being an odorless and colorless compound, its metal sulphate has a styptic taste.

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