# 3-(4-tert-Butylphenyl)propanal

URL: https://app.greenveil.ai/ingredients/ingredient_cas_18127_01_0
Categories: beauty, cleaning
Functions: Fragrance
Identifier: 18127-01-0

> 3-(4-tert-Butylphenyl)propanal is used as fragrance. Greenveil chemical-concern score: 70/100 — High concern based on regulatory listings.. Assessed from 6 sources.

## Safety assessment

- Chemical concern score: 70/100 — High concern based on regulatory listings.
- Confidence: 4
- Rationale: 4-tert.-Butyldihydrocinnamaldehyde; 3-(4-tert-Butylphenyl)propionaldehyde 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: 0.6%
- US: commercial use observed — EPA CPDat observed this chemical in 100 composition records across product categories including Cleaning products and household care, Vehicle. EPA CPDat classifies this chemical for functional uses including Fragrance.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._