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Potassium cetyl phosphate

CAS 19035-79-1 · 0/100 · High conf.

Also registered as 1 other CAS number

84861-79-0

Potassium cetyl phosphate chemical structure

Concern score

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

Potassium cetyl phosphate in plain language

What it is

Also known as 1-HEXADECANOL, dihydrogen phosphate, monopotassium salt · potassium hexadecyl hydrogen phosphate · 1-Hexadecanol 1-(dihydrogen phosphate) xpotassium salt · 1-​Hexadecanol, phosphate, potassium salt · AKOS027440003 · Amphisol K

Show all 19 names

Arlatone MAP 160K · Cetyl phosphate potassium salt · Ec 242-768-1 · Emulsiphos · Emulsiphos; Potassium Cetyl Phosphate · Hexadecyl phosphate potassium salt · Palmityl phosphate potassium salt · Palmityl potassium phosphate · Potassium Hexadecyl Hydrogenphosphate (~90%) · Potassium hexadecyl hydrogenphosphate · Potassiumhexadecylhydrogenphosphate · Rmgvaturdvpnoz-uhfffaoysa-m · cetylphosphate potassium salt

What it does

Used in cosmetics as an emulsifier and a cleansing agent.

  • Emulsifying
  • Cleansing
  • 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 1059 composition records across product categories including Personal care, Food and drug, Construction.

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. Potassium cetyl phosphate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Pharma
  • Food
  • Industrial
  • EUCosIngActive1-hexadecanol, phosphate, potassium salt
    • 1-hexadecanol, phosphate, potassium saltSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1059 composition records across product categories including Personal care, Food and drug, Construction. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Emulsifier.
    • EPA CPDat observed this chemical in 1059 composition records across product categories including Personal care, Food and drug, Construction. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Emulsifier.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Potassium cetyl phosphate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • 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.

Evidence & sources

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

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated September 2018

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    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 →

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 Potassium cetyl phosphate in a product composition. These are source records, not Greenveil catalog products.

Source records

1,059

Named organisations

6

Personal careFood and drugConstruction

Typical roles

EmulsifyingCleansingEmulsifierSurfactant
See products using Potassium cetyl phosphate →

Catalog

Found in these products

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

See all 356 →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Potassium cetyl phosphate in the catalog.