Last reviewed May 2026 · 1 min read
Is Tetrasodium Pyrophosphate vegan?
Also known as: TSPP, E450iii
E-number: E450iii
Vegan
Suitable for a vegan diet.
In short
Yes — It is a synthetic mineral salt.
01 · The basics
What is Tetrasodium Pyrophosphate?
A colorless, transparent crystalline chemical compound used as a buffering agent and emulsifier.
02 · The source
Where it comes from
It is a synthetic mineral salt. It is 100% vegan.
Frequently asked
FAQ
Is E450iii vegan?
Yes, it is an inorganic mineral salt.
Commonly found in
Chicken nuggets (non-vegan use)MarshmallowsCanned tunaToothpaste
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