# 6-Methylhepta-3,5-dien-2-one

URL: https://app.greenveil.ai/ingredients/ingredient_cas_1604_28_0
Categories: beauty, industrial
Functions: Flavouring and nutrient, Fragrance
Identifier: 1604-28-0

> 6-Methylhepta-3,5-dien-2-one is used as flavouring and nutrient / 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: Methyl heptadienone; 6-Methyl-3,5-heptadien-2-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. Product types: (a) Oral products (b) Other products Maximum concentration: (b) 0.002%
- 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, Flavouring and nutrient.

_Assessed by Greenveil._