Is Sodium Potassium Tartrate vegetarian?
Sodium Potassium Tartrate
Sodium potassium tartrate, also known as Rochelle salt, is a double salt of tartaric acid with sodium and potassium. It is naturally derived from grapes and wine production byproducts, and is used as a sequestrant and stabiliser in food and cosmetic applications.
| Also known as | Potassium sodium tartrate, Rochelle salt, Seignette salt |
|---|---|
| INCI name | Sodium Potassium Tartrate |
| E number | E337 |
| INS number | 337 |
| CAS number | 6381-59-5 |
| EC number | 206-156-8 |
| CosIng ID | 37024 |
| Last reviewed | 22 April 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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