# 2-((3-Aziridin-1-ylpropionyl)methyl)-2-ethylpropane-1,3-diyl bis(aziridine-1-propionate)

URL: https://app.greenveil.ai/ingredients/ingredient_cas_52234_82_9
Categories: beauty, industrial
Identifier: 52234-82-9

> 2-((3-Aziridin-1-ylpropionyl)methyl)-2-ethylpropane-1,3-diyl bis(aziridine-1-propionate). Greenveil chemical-concern score: 100/100 — Critical concern driven by cmr.. Assessed from 3 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern driven by cmr.
- Confidence: 4
- Rationale: Trimethylopropane tri(3-aziridinylpropanoate); (TAZ) 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. CMR: Mutagenic Cat. 2()
- US: commercial use observed — EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.

_Assessed by Greenveil._