# 2,2'-Bioxirane

URL: https://app.greenveil.ai/ingredients/ingredient_cas_1464_53_5
Categories: beauty, industrial
Identifier: 1464-53-5

> 2,2'-Bioxirane. Greenveil chemical-concern score: 100/100 — Critical concern driven by cmr.. Assessed from 5 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern driven by cmr.
- Confidence: 4
- Rationale: 2,2'-Bioxirane (1,2:3,4-Diepoxybutane) 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: Carcinogenic Cat. 1B(),Mutagenic Cat. 1B()
- 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 mixture.

_Assessed by Greenveil._