# 1-(2,6,6-Trimethyl-1-cyclohexen-1-yl)pent-1-en-3-one

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid6051643
Categories: beauty, cleaning, industrial
Functions: Perfuming, Fragrance, Flavouring
Identifier: DTXSID6051643

> 1-(2,6,6-Trimethyl-1-cyclohexen-1-yl)pent-1-en-3-one: Used in cosmetics as a fragrance ingredient. EPA CPDat observed this chemical in 18 composition records across product categories including Cleaning and safety, Cleaning products and household care. Compiled from 5 published data sources.

## Safety assessment

- Chemical concern: not yet assessed
- Is it a concern? We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
- Rationale: EPA CPDat observed this chemical in 18 composition records across product categories including Cleaning and safety, Cleaning products and household care.

## Regulatory status

- EU: Active — Listed in CosIng inventory for cosmetic use.
- US: commercial use observed — EPA CPDat observed this chemical in 18 composition records across product categories including Cleaning and safety, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/41316
- EPA Chemical and Products Database (updated February 8, 2019): https://www.zep.com/product/zepcorporate/comfort-zone-ii
- EPA DSSTox Identifiers (updated 2025-12-29): https://epa.figshare.com/articles/dataset/Chemistry_Dashboard_Data_DSSTox_Identifiers_Mapped_to_CAS_Numbers_and_Names/5588566
- FDA GSRS UNII (updated 2026-02-26): https://precision.fda.gov/uniisearch/
- openFDA Substance (updated 2026-05-24): https://api.fda.gov/other/substance.json?search=unii:54PXU8D4R5

_Assessed by Greenveil._