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PEG-150 pentaerythrityl tetrastearate

CAS 130249-48-8

Also registered as 2 other CAS numbers

145991-98-6 · 283602-93-7

PEG-150 pentaerythrityl tetrastearate chemical structure

Concern score

Not assessed — no hazard data yet.

PEG-150 pentaerythrityl tetrastearate in plain language

What it is

Also known as Polyethylene glycol pentaerythritol tetrastearate · Polyethylene glycol 6000 pentaerythrityl tetrastearate · Polyoxyethylene (150) pentaerythrityl tetrastearate · Crothix · Crothix PA · Crothix PA-MH

Show all 11 names

Ethoxylated pentaerythritol tetrastearate · Pe 200ST · PEG 150 pentaerythrityl tetrastearate · PEG pentaerythrityl tetrasterate · Xakqcapzvvbgry-uhfffaoysa-n

What it does

Used in cosmetics as an emulsifier.

  • Emulsifying
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

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

Regulation

No restrictions found. PEG-150 pentaerythrityl tetrastearate appears in these published regulatory listings.

  • EUCosIngActive2,2-Bis(hydroxymethyl)-1,3-propanediol, ethoxylated, tetraoctadecanoates (150 mol EO average molar ratio)
    • 2,2-Bis(hydroxymethyl)-1,3-propanediol, ethoxylated, tetraoctadecanoates (150 mol EO average molar ratio)Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as polymer.
    • openFDA substance registry classifies this ingredient as polymer.Source →

Expert safety opinions

No expert opinion on file for PEG-150 pentaerythrityl tetrastearate. 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 PEG-150 pentaerythrityl tetrastearate 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

  • CosIng

    regulatory · updated 2026-09-23

    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.

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 PEG-150 pentaerythrityl tetrastearate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.