# Urethane

URL: https://app.greenveil.ai/ingredients/ingredient_cas_51_79_6
Categories: beauty, industrial
Functions: Thickening agent
Identifier: 51-79-6

> Urethane is used as thickening agent. Greenveil chemical-concern score: 100/100 — Critical concern driven by cmr.. Assessed from 6 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern driven by cmr.
- Confidence: 4
- Rationale: Urethane (Ethyl carbamate) 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()
- US: commercial use observed — EPA CPDat observed this chemical in 20 composition records across product categories including Construction and building materials, Medical/dental, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Thickening agent.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._