beauty
cleaning
food
industrial

Tetrapotassium pyrophosphate

CAS 10124-52-4 · 0/100 · High conf.

Also registered as 4 other CAS numbers

1174512-44-7 · 1269628-81-0 · 2223678-13-3 · 7320-34-5

Tetrapotassium pyrophosphate chemical structure

Concern score

0/100Low concern — well-established and permitted without restriction (CIR safe when formulated as directed; EU CosIng).

High confidence

Tetrapotassium pyrophosphate in plain language

What it is: Also known as Potassium pyrophosphate · Tetrapotassium diphosphate · Diphosphoric acid tetrapotassium salt · tetrapotassium;phosphonato phosphate · potassium salt Diphosphoric acid · Diphosphoric acid, potassium salt (1:4)
Show all 23 names
tetrapotassium salt Diphosphoric acid · Kaliumpyrophosphat · Phosphosol · Potassium diphosphate · Potassium diphosphate (K4P2O7) · Potassium phosphate (K4P2O7) · Potassium pyrophospate · Potassium pyrophosphate Anhydrous · tetrapotassium salt Pyrophosphoric acid · Tetra potassium pyrophosphate · Tkpp · Un 3287 · UNII-B9W4019H5G · pirofosfato de tetrapotasio · tetrapotassium diphosphorate · tetrapotassium pyrophoshate · tetropotassium pyrophosphate
What it does: Used in cosmetics as an oral-care ingredient, a pH buffer and a chelating agent.
Oral care
Buffering
Chelating
Texturizer, thickener, emulsifier
Emulsifier
Surfactant
Is it a concern?: Low concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 263 composition records across product categories including Home maintenance, Cleaning and safety, Cleaning products and household care.

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. Tetrapotassium pyrophosphate appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Industrial

GLOBALJECFAEvaluated2 entries
- JECFA evaluation record.Source →
- JECFA evaluation record. Functional class: texturizer, thickener, emulsifier.Source →
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 263 composition records across product categories including Home maintenance, Cleaning and safety, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Chelating agent, pH regulating agent, oral care.
- EPA CPDat observed this chemical in 263 composition records across product categories including Home maintenance, Cleaning and safety, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Chelating agent, pH regulating agent, oral care.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.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
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: texturizer, thickener, emulsifier.
  Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

No graded research studies for Tetrapotassium 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

CosIng
regulatory · updated 2026-09-23
Open →
EPA Chemical and Products Database
exposure · updated march 6,2020
Open →
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

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 EPA CPDat has listed Tetrapotassium pyrophosphate in a product composition. These are source records, not Greenveil catalog products.

Source records

263

Named organisations

Home maintenanceCleaning and safetyCleaning products and household careLandscape/yardPersonal careSpecialty occupational products

Typical roles

Oral careBufferingChelatingTexturizer, thickener, emulsifierEmulsifierSurfactant

See products using Tetrapotassium pyrophosphate →

Catalog

Found in these products

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

See all 124 →Find products without it →