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  • cleaning
  • industrial

Cetearyl isononanoate

CAS 111937-03-2 · 0/100 · High conf.

Concern score

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

Cetearyl isononanoate in plain language

What it is

Also known as Cetostearyl isononanoate · Isononanoic acid, C16-18-alkyl esters · "Isononanoic acid, C16�18-alkyl esters" · Cetiol sn · Dub in 1618 · Isononanoic acid, C16-18 (even numbered)-alkyl esters

Show all 9 names

Saboderm csn · Tegosoft CI · cetearyl

What it does

Used in cosmetics as an emollient, a skin-conditioning agent and a hair conditioner.

  • Emollient
  • Skin conditioning
  • Hair conditioning
  • Conditioner
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 317 composition records across product categories including Personal care, 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. Cetearyl isononanoate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUCosIngActiveIsononanoic acid, C16-18-alkyl esters
  • USEPAcommercial use observedEPA CPDat observed this chemical in 317 composition records across product categories including Personal care, Construction. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Plasticizer.
    • EPA CPDat observed this chemical in 317 composition records across product categories including Personal care, Construction. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Plasticizer.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Expert safety opinions

No expert opinion on file for Cetearyl isononanoate. 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 Cetearyl isononanoate 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 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 →

Suitability

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

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 Cetearyl isononanoate in a product composition. These are source records, not Greenveil catalog products.

Source records

317

Named organisations

6

Personal careConstruction

Typical roles

EmollientSkin conditioningHair conditioningConditioner
See products using Cetearyl isononanoate →

Catalog

Found in these products

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

See all 98 →Find products without it →