# 1-tert-Butyl-3,4,5-trimethyl-2,6-dinitrobenzene

URL: https://app.greenveil.ai/ingredients/ingredient_cas_145_39_1
Categories: beauty, industrial
Identifier: 145-39-1

> 1-tert-Butyl-3,4,5-trimethyl-2,6-dinitrobenzene. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Assessed from 6 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence: 4
- Rationale: 5-tert.-Butyl-1,2,3-trimethyl-4,6-dinitrobenzene (Musk Tibetene) is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

## Regulatory status

- EU: banned — Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
- US: commercial use observed — EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._