Ingredient register

Sodium Triphosphate

Limit Phosphate additive Food and drink E451 INS 451 CAS 7758-29-4

Decode Label flags Sodium Triphosphate as a moderate concern in food and drink (phosphate additive). It appears in 5 of the 893 published products we have analysed (0.6%).

The concern

Phosphate additive — concern for kidney & heart health

High dietary phosphate intake is linked to impaired kidney function, accelerated cardiovascular disease, and increased all-cause mortality in people with chronic kidney disease (CKD). Individuals with pre-existing kidney or heart conditions should strictly limit consumption of phosphate-rich processed foods.

Most relevant to

People with kidney conditions People with heart conditions People managing blood pressure

Cited authority

FSSAI INS 451; EFSA Opinion on Phosphates

Linked sources: EU →

How common it is in this catalogue

Measured across every product Decode Label has analysed — not estimated, and not taken from anyone else's dataset.

5 of 893 published products 0.6%

By category

Food 4
Beverages 1

Hazard classification

EU EFSA re-evaluation (2019) — group ADI 40 mg P/kg bw/day; mean intake exceeds ADI in children Organ toxicity route: oral 2019-06-12 source →

Same group ADI as other phosphate additives. EFSA found mean dietary phosphate exposure already exceeds the ADI for infants, toddlers and children, and the ADI excludes people with reduced kidney function.

Identity

Canonical name
Sodium Triphosphate
CAS number
7758-29-4
E number
E451
INS number
451

Also appears on labels as

Sodium Tripolyphosphate STPP Pentasodium Triphosphate

Questions

Is Sodium Triphosphate safe?

EU: EFSA re-evaluation (2019) — group ADI 40 mg P/kg bw/day; mean intake exceeds ADI in children. Why it is flagged: Phosphate additive — concern for kidney & heart health. Decode Label treats it as a moderate concern in food and drink. It appears in 5 of the 893 published products we have analysed (0.6%).

How common is Sodium Triphosphate in Indian packaged products?

Decode Label found Sodium Triphosphate in 5 of 893 published products (0.6%), most often in Food, Beverages.

Which authorities have classified Sodium Triphosphate?

EU — EFSA re-evaluation (2019) — group ADI 40 mg P/kg bw/day; mean intake exceeds ADI in children.

Who should be most careful with Sodium Triphosphate?

People with kidney conditions; People with heart conditions; People managing blood pressure.

Products containing Sodium Triphosphate

5 published products, each with its own full analysis.

Related ingredients

Other entries in the register with the same kind of concern.

Method and limits

  • Prevalence counts published products whose decoded ingredient list matches this substance or one of its label synonyms, using the same matching the score itself uses. It describes our catalogue of 893 products, not the Indian market as a whole.
  • Presence is not dose. An ingredient list gives order, not quantity, unless the pack declares a percentage. Nothing here estimates how much of this substance any product contains.
  • A classification is not a verdict on a product. An agency classifies a substance under defined conditions of exposure; whether that matters in a given food or cosmetic depends on route, concentration and use.
  • No regulatory rows. This substance is not matched in our regulatory warehouse, so the concern above rests on the cited authority alone.
  • Last updated. This register entry was last changed on 28 September 2026.
  • Corrections. Every figure here is reproducible from the sources named. If something is wrong, tell us and we will correct it and say what changed.