Aluminium Potassium Sulphate – 1kg (Potassium Alum)

Aluminium Potassium Sulphate (1kg), also known as Potassium Alum, is a widely used laboratory reagent suitable for school science and educational laboratory applications. Supplied in a generous 1kg pack, this compound is ideal for repeated classroom practicals and demonstrations.

This substance is commonly known by several names, including Alum, Aluminium Potassium Sulphate 12H₂O, Dodecahydrate, Kalinite, and Aluminium Potassium Salt. It is supplied as a crystalline solid and is classified as Laboratory Reagent (LR) grade, making it appropriate for routine educational use.

Aluminium potassium sulphate is frequently used in school laboratories for crystal growth experiments, solution preparation, and investigations into solubility and chemical reactions. Its reliability and versatility make it a staple chemical for chemistry teaching at secondary level.

Key Features

• 1kg supply of aluminium potassium sulphate
• Also known as potassium alum or aluminium potassium sulphate dodecahydrate
• Laboratory Reagent (LR) grade
• Supplied as a crystalline solid
• Suitable for educational laboratory use
• CAS No: 7784‑24‑9
• UN Number: Not regulated

Ideal for School Science Lessons

Suitable for KS3, GCSE, and A Level chemistry lessons, aluminium potassium sulphate supports a wide range of practical investigations. It is commonly used to:

• Grow crystals in classic classroom experiments
• Explore solubility and crystallisation
• Prepare and observe ionic solutions
• Support investigations into chemical compounds and hydrates
• Develop practical laboratory skills in a controlled setting

Versatile, reliable, and widely used in education, Aluminium Potassium Sulphate 1kg is an essential chemical for delivering engaging and effective chemistry practicals in school science laboratories.