# 2-Buten-1-one, 1-(2,4,4-trimethyl-2-cyclohexen-1-yl)-

URL: https://app.greenveil.ai/ingredients/ingredient_cas_33673_71_1
Categories: beauty, industrial
Functions: Fragrance
Identifier: 33673-71-1

> 2-Buten-1-one, 1-(2,4,4-trimethyl-2-cyclohexen-1-yl)- is used as fragrance. Greenveil chemical-concern score: 70/100 — High concern based on regulatory listings.. Assessed from 3 sources.

## Safety assessment

- Chemical concern score: 70/100 — High concern based on regulatory listings.
- Confidence: 4
- Rationale: Rose ketone-5 (see note 16) 1-(2,4,4-Trimethyl-2-cycloehexen-1-yl)-2-buten-1-one is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.

## Regulatory status

- EU: restricted — Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Maximum concentration: 0.02%
- US: commercial use observed — EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Fragrance.

_Assessed by Greenveil._