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1-(Octadecyloxy)octadecane

CAS 6297-03-6

Also registered as 1 other CAS number

1166297-32-0

1-(Octadecyloxy)octadecane chemical structure

Concern score

Not assessed — no hazard data yet.

1-(Octadecyloxy)octadecane in plain language

What it is

Also known as Distearyl ether · 1,1′-Oxybis · 1-octadecoxyoctadecane · Cosmacol SE · Di-n-octadecyl ether · Dioctadecyl ether

Show all 16 names

Ec 228-567-1 · Nacol 18 · Octadecane, 1,1'-OXYBIS- · Octadecane, 1,1′-oxybis- · Octadecyl ether · UNII-SC6T3MJF8Y · bis-octadecylether · dioctadecylether · n-octadecyl ether · stearyl ether

What it does

Used in consumer products as a humectant and a conditioner.

  • Humectant
  • Conditioner
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. 1-(Octadecyloxy)octadecane appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • USEPAcommercial use observedEPA CPDat observed this chemical in 17 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Humectant.
    • EPA CPDat observed this chemical in 17 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Humectant.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 1-(Octadecyloxy)octadecane. 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 1-(Octadecyloxy)octadecane 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

  • EPA Chemical and Products Database

    exposure · updated November 2014

    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.

Where it has been recorded

How often EPA CPDat has listed 1-(Octadecyloxy)octadecane in a product composition. These are source records, not Greenveil catalog products.

Source records

17

Named organisations

4

Personal care

Typical roles

HumectantConditioner
See products using 1-(Octadecyloxy)octadecane →

Catalog

Found in these products

Their ingredient lists include 1-(Octadecyloxy)octadecane; each product's own rating depends on its whole formula, so it is shown on the product page, not here.