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Calcium acid pyrophosphate

CAS 14866-19-4

Also registered as 1 other CAS number

2089067-53-6

Calcium acid pyrophosphate chemical structure

Concern score

Not assessed — no hazard data yet.

Calcium acid pyrophosphate in plain language

What it is

Also known as Acid calcium pyrophosphate · Calcium dihydrogen diphosphate · Calcium dihydrogen pyrophosphate · Calcium phosphono phosphate · Monocalcium dihydrogen pyrophosphate · Calcium pyrophosphate (CAH2O7P2)

Show all 19 names

Diphosphoric acid, calcium salt (1:1) · E-450(VII) · Ins NO.450(VII) · INS-450(VII) · Pyrophosphoric acid, calcium salt (1:1) · Calcium dihydrogenpyrophosphate · Calcium hydrogen diphosphate (CaH2O7P2) · Calcium hydrogen diphosphate (CaH2P2O7) · Calcium pyrophosphate (CaH2P2O7) · Diphosphoric acid, calcium salt (1:?) · Levona · Monocalcium pyrophosphate · Q27273740

What it does

Used in food as an emulsifier, leavening agent, nutrient supplement, raising agent, stabilizer.

  • Emulsifier, leavening agent, nutrient supplement, raising agent, stabilizer
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

What we know about this ingredient

EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical.

Regulation

No restrictions found. Calcium acid pyrophosphate appears in these published regulatory listings.

  • GLOBALJECFAEvaluated2 entries
    • JECFA evaluation record.Source →
    • JECFA evaluation record. Functional class: emulsifier, leavening agent, nutrient supplement, raising agent, stabilizer.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

    • JECFA evaluation record.

      Year not recorded · GLOBAL JECFA listing · Read the source →

    • JECFA evaluation record. Functional class: emulsifier, leavening agent, nutrient supplement, raising agent, stabilizer.

      Year not recorded · GLOBAL JECFA listing · Read the source →

  • EFSA

    European Food Safety Authority

    No EFSA opinion on file.

Evidence & sources

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

5 data sources

Where this comes from

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • WHO JECFA Database

    regulatory · updated 2026-10-04

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

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

Food use

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Catalog

Found in these products

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

See all 28 →Find products without it →