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Ferric pyrophosphate

CAS 10058-44-3 · 20/100 · High conf.

Also registered as 4 other CAS numbers

10402-25-2 · 312619-28-6 · 87059-16-3 · 2920437-86-9

Ferric pyrophosphate chemical structure

Concern score

20/100Minor concern based on regulatory listings.
High confidence

Ferric pyrophosphate in plain language

What it is

Also known as Iron(III) pyrophosphate · Diphosphoric acid IRON(3+) salt (3:4) · Iron(3+) diphosphate (4/3) · tetrakis(iron(3+));phosphonato phosphate · Bestmade Natural Products Ferr Phos · Diphosphoric acid iron(III) salt

Show all 16 names

Diphosphoric acid, iron(3+) salt · Ferr Phos · Iron(3+) pyrophosphate · Iron(III) diphosphate · Pyrophosphoric acid, iron(3+) salt (3:4) · Sunactive Fe · Tetrairon tris(pyrophosphate) · iron pyrophosphate · iron(3+);phosphonato phosphate · Iron (as pyrophosphate)

What it does

Used in consumer products as a flavouring.

  • Flavouring
Is it a concern?
Minor concern: no hazard classifications on record.

Why it's flagged

EPA CPDat observed this chemical in 3 composition records across product categories including Laboratory supplies.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Ferric pyrophosphate appears in these published regulatory listings.

  • In marketed US drugs

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUEFSAConclusion on Pesticides Peer ReviewPeer review of the pesticide risk assessment of the active substance ferric pyrophosphate (EFSA PPR)
    • Peer review of the pesticide risk assessment of the active substance ferric pyrophosphate (EFSA PPR)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 3 composition records across product categories including Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient.
    • EPA CPDat observed this chemical in 3 composition records across product categories including Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 20 active drug products and 20 total products.
    • FDA NDC lists this ingredient in 20 active drug products and 20 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    No JECFA evaluation on file.

  • EFSA

    European Food Safety Authority

    • Peer review of the pesticide risk assessment of the active substance ferric pyrophosphate (EFSA PPR)

      2020 · EU EFSA listing · Read the source →

Evidence & sources

No graded research studies for Ferric pyrophosphate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →
  • EPA Chemical and Products Database

    exposure · updated February 8, 2019

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA National Drug Code Directory

    regulatory · updated 2026-12-31

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →
Reference links (1)
Openfda substance

drugoffice.gov.hk

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often FDA National Drug Code directory has listed Ferric pyrophosphate in a product composition. These are source records, not Greenveil catalog products.

Source records

20

Typical roles

Flavouring
See products using Ferric pyrophosphate →

Catalog

Found in these products

Their ingredient lists include Ferric pyrophosphate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.