Scrannr
Additives

Sodium Potassium Tartrate (E337): What It Is and Is It Safe?

Safe Acidity Regulator / Stabiliser · pH regulator

Mixed sodium/potassium salt of tartaric acid. Used as a stabiliser and acidity regulator. Considered safe at food levels.

Category
Acidity Regulator / Stabiliser — pH regulator
Typically used in
Processed cheese, confectionery, bakery products
Regulatory status
Approved EU/USA/UK
Also listed as
Rochelle Salt

Scrannr flags Sodium Potassium Tartrate automatically when you scan a barcode.

Download on the App Store Get it on Google Play
Related

Related additives

E336II Safe Dipotassium Tartrate View additive E335 Safe Sodium Tartrates View additive E335I Safe Monosodium Tartrate View additive E335II Safe Disodium Tartrate View additive E339I Moderate Monosodium Phosphate View additive E340 Moderate Potassium Phosphates View additive
Products

Products containing Sodium Potassium Tartrate

We're building product pages that show real UK products containing Sodium Potassium Tartrate, using Open Food Facts data. They'll appear here soon — in the meantime, scan any barcode with the Scrannr app to check for it instantly.

Let Scrannr read the label.

Scan a barcode and get the additives flagged in plain English, plus a clear health score. Free to download.

Download on the App Store Get it on Google Play