Scrannr
Additives

Tetrasodium Diphosphate (E450III): What It Is and Is It Safe?

Moderate Emulsifier / Dispersing Agent

The fully neutralised tetrasodium salt of diphosphoric acid (Na₄P₂O₇). Used as an emulsifying salt in processed cheese and as a dispersing agent. Also helps retain moisture in processed meats. High cumulative phosphate intake is linked to kidney damage and increased cardiovascular risk, especially for those with kidney disease.

Category
Emulsifier / Dispersing Agent
Typically used in
Processed cheese, instant noodles, marshmallows, tinned tuna
Regulatory status
Approved EU/USA/UK. Caution for kidney conditions.
Also listed as
Tetrasodium Pyrophosphate
Concerns flagged
Cardiovascular concernKidney effects

Scrannr flags Tetrasodium Diphosphate automatically when you scan a barcode.

Sources

Where this comes from

  1. EFSA (2019) — Re-evaluation of phosphoric acid-phosphates – di-, tri- and polyphosphates (E 338–341, E 343, E 450–452) as food additives https://efsa.onlinelibrary.wiley.com/doi/10.2903/j.efsa.2019.5674
Products

Products containing Tetrasodium Diphosphate

We're building product pages that show real UK products containing Tetrasodium Diphosphate, 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.