Emulsifier · EU 450

Tetrasodium Diphosphate

FDA status: Approved. EU: Approved. No U.S. state has enacted a specific ban yet.

Low Risk
Score 4 of 5
Tetrasodium Diphosphate: 4/5 (Low Risk)

According to the U.S. Food and Drug Administration, Tetrasodium Diphosphate is FDA-approved, and no U.S. state has moved to restrict it independently of federal policy. Its composite safety score is 4 out of 5 (Low Risk), and the European Union separately classifies it as approved. By tracked product count it ranks #358 of 417.

  • #358 of 417 by tracked product prevalence

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The verdict

Tetrasodium Diphosphate is FDA-approved, and no U.S. state has moved to restrict it. By Open Food Facts product count it sits #358 of 417 among additives with tracked product presence (14th percentile).

4/5
Low Risk
Approved
FDA status
#358 of 417
product-prevalence rank
0
state regulations

Regulatory snapshot

Tetrasodium Diphosphate: composite 4/5 (Low Risk) with FDA Approved and EU Approved.

Property Value Source
FDA Status Approved FDA SAFFA
EU Status Approved EC 1333/2008
E-Number 450 EU additive register
CAS Number - CAS Registry
Category Emulsifier FDA functional class
Composite Safety Score 4 / 5 (Low Risk) PlainIngredients methodology
EFSA ADI Not established EFSA scientific opinion
U.S. State Actions 0 states State legislative records
Tracked Products 2 Open Food Facts (US)

Values reflect official agency classifications as published by the U.S. Food and Drug Administration and the European Union's regulatory framework. See our methodology for scoring details.

What is Tetrasodium Diphosphate?

TETRASODIUM PYROPHOSPHATE, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is a colorless transparent crystalline chemical compound with the formula Na4P2O7.

Health Concerns

  • Flagged by ANSES (French food safety agency) as additive of interest

Common Uses

Sauces, dressings, baked goods, ice cream

Catalog-profile peer axes

Nationwide catalog-profile peers for Tetrasodium Diphosphate

Product-count (2) and safety-score (4/5) peer columns, disjoint link sets.

Score 4/5 peers (≥50 OFF products)

Nearest other additives by PlainIngredients safety score (floored at ≥50 tracked products), distinct from the count row.

8 peers

Frequently Asked Questions

Is Tetrasodium Diphosphate safe to consume?

Tetrasodium Diphosphate scores 4/5 (Low Risk). FDA status is Approved. In the lower-concern band the federal listing is the primary signal; EU status is Approved. Moderation still applies to any additive.