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Pentamethyl octahydroindenodioxane

CAS 365411-50-3

Pentamethyl octahydroindenodioxane chemical structure

Concern score

Not assessed — no hazard data yet.

Pentamethyl octahydroindenodioxane in plain language

What it is

Also known as Nebulone · Njqdalidwnjdsw-uhfffaoysa-n · Q27256942 · UNII-3A152H3F7R

What it does

Used in cosmetics as a fragrance ingredient.

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

Regulation

No restrictions found. Pentamethyl octahydroindenodioxane appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Deodorizer, Fragrance.
    • EPA CPDat observed this chemical in 1 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Deodorizer, Fragrance.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 Pentamethyl octahydroindenodioxane. 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 Pentamethyl octahydroindenodioxane 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 2020-03-19

    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

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Pentamethyl octahydroindenodioxane in a product composition. These are source records, not Greenveil catalog products.

Source records

1

Named organisations

2

Personal care

Typical roles

FragranceDeodorant
See products using Pentamethyl octahydroindenodioxane →