- beauty
- cleaning
- food
- industrial
Tripotassium phosphate
CAS 44042-47-9
Also registered as 3 other CAS numbers
1017687-06-7 · 1269628-80-9 · 7778-53-2
Concern score
Not assessed — no hazard data yet.
Tripotassium phosphate in plain language
Also known as Tribasic potassium phosphate · Potassium phosphate tribasic · Phosphoric acid potassium salt (1:3) · Tripotassium salt phosphoric acid · Tribasic anhydrous potassium phosphate · tripotassium;phosphate
Show all 22 names
Caswell No. 700A · E-340(III) · Ec 231-907-1 · Ins NO.340(III) · INS-340(III) · Orthophosphate de tripotassium · Phosphoric acid, potassium salt (1:3) · Potassium orthophosphate · Potassium pentahydrogen bis(phosphate) · Potassium phosphate (K3PO4) · anhydrous Potassium phosphate · Potassium tribasic phosphate · Trikaliumorthophosphat · ortofosfato de tripotasio · potassium phosphate · tripotassium orthophosphate
Used in cosmetics as a pH buffer. Tripotassium Phosphate is the inorganic salt.
- Buffering
- Acidity regulator, sequestrant, stabilizer
- Emulsifier
- pH adjuster
- Thickener
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Tripotassium phosphate appears in these published regulatory listings.
- Found in consumer products
- Beauty
- Cleaning
- Pharma
- Food
- Industrial
EUCosIngActiveTripotassium Phosphate is the inorganic salt that conforms to the formula:
- Tripotassium Phosphate is the inorganic salt that conforms to the formula:Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 196 composition records across product categories including Specialty occupational products, Laboratory supplies, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Emulsifier, Thickening agent.
- EPA CPDat observed this chemical in 196 composition records across product categories including Specialty occupational products, Laboratory supplies, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Emulsifier, Thickening agent.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: acidity regulator, sequestrant, stabilizer.
Year not recorded · GLOBAL JECFA listing · Read the source →
Evidence & sources
No graded research studies for Tripotassium phosphate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EPA Chemical and Products Database
exposure · updated October 2017
- 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
Reference links (1)
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Food use
Nothing to weigh for this context yet.
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.
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.
Where it has been recorded
How often EPA CPDat has listed Tripotassium phosphate in a product composition. These are source records, not Greenveil catalog products.
Source records
196
Named organisations
6
Specialty occupational productsLaboratory suppliesCleaning and safetyHome maintenanceFood and drugIndustrial products
Typical roles
BufferingAcidity regulator, sequestrant, stabilizerEmulsifierpH adjusterThickener
Found in these products
Their ingredient lists include Tripotassium phosphate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.
