Aluminium Potassium Sulphate (Potassium Alum)
Chemical Formula:
KAl(SO₄)₂ · 12H₂O
CAS Number:
7784-24-9
Description:
Aluminium Potassium Sulphate, commonly known as Potassium Alum, is a naturally occurring inorganic salt widely used in water purification, cosmetics, food processing, and pharmaceutical applications. It is known for its astringent, antiseptic, and coagulating properties, making it valuable in both industrial and consumer products.
Applications:
- Water Treatment:
- Used as a coagulant in wastewater and drinking water purification.
- Food Industry:
- Employed as a food additive (E522) in pickling and baking powders.
- Cosmetics & Personal Care:
- Found in deodorants, aftershave products, and skincare.
- Used in styptic pencils to stop minor bleeding from shaving cuts.
- Textile & Leather Industry:
- Acts as a mordant in dyeing and tanning processes.
- Paper & Fireproofing:
- Used in sizing paper to increase durability and fire resistance.
- Medical & Pharmaceutical Uses:
- Used in traditional medicine for treating wounds and infections.
Handling & Storage:
- Store in a cool, dry place in a tightly sealed container.
- Keep away from moisture, as it is hygroscopic.
- Use gloves and safety goggles when handling large quantities.
- Avoid contact with strong bases and reducing agents.
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