Aluminum Potassium Sulfate Dodecahydrate USP Grade *

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Aluminum Potassium Sulfate, also known as Potassium Alum Dodecahydrate, Aluminum Potassium Sulfate 12-Hydrate, Aluminum Potassium Bis(Sulphate) Dodecahydrate, Aluminum Potassium Sulphate Dodecahydrate, Aluminum Potassium Disulfate Dodecahydrate, Kalinite, Potash Alum, Dialuminium Dipotassium Sulfate Dodecahydrate, and Burnt Potassium Alum, has the chemical formula H24AlKO20S2 or AlK(SO4)2-12H2O. It is a hydrate, an Aluminum salt, a metal sulfate, and a Potassium salt. It appears as white odorless moisture-sensitive lumps or crystalline powder and is soluble in Water at ambient conditions. A USP Grade chemical is the one that conforms to the criteria of the United States Pharmacopeia (USP). A substance that has received the USP Grade certification can be used in food, drug, or medical applications. Due to its high purity, Lab Alley’s Aluminum Potassium Sulfate Dodecahydrate, USP Grade, is a certified USP Grade chemical. In the United States of America (USA), Lab Alley is selling its high-quality Aluminum Potassium Sulfate Dodecahydrate, USP Grade online at


Aluminum Potassium Sulfate USP Grade Features:

Assay 98.0-102.0%
Insoluble Matter 0.0005%
Chloride (Cl) 5 ppm
Ammonium (NH4) 0.005%
Heavy Metals (as Pb) 0.001%
Iron (Fe) 0.001%
Sodium (Na) 0.02%
Common Uses
  • Astringent
  • Mordant
  • Baking powder
Commercial/Industrial Application
  • Food additives
  • Cosmetics
  • Medical field
  • Water purification
Safety and Handling

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Aluminum Potassium Sulfate USP (Lump Alum).

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