Last reviewed May 2026 · 1 min read
Is Aluminium Potassium Sulfate vegan?
Also known as: Potash alum, E522
E-number: E522
Vegan
Suitable for a vegan diet.
Yes — A synthetic mineral salt.
01 · The basics
What is Aluminium Potassium Sulfate?
Commonly known as alum, used in food processing to maintain crispness in pickles.
02 · The source
Where it comes from
A synthetic mineral salt. 100% vegan.
Frequently asked
FAQ
Is potash alum vegan?
Yes, it is mineral-sourced.
Commonly found in
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