# 1-Butyl-3-(N-crotonylsulfanilyl)urea

URL: https://app.greenveil.ai/ingredients/ingredient_cas_52964_42_8
Categories: beauty, industrial

> 1-Butyl-3-(N-crotonylsulfanilyl)urea. Greenveil chemical-concern score: 100/100 — Critical concern.. Assessed from 6 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern.
- Confidence: 4
- Rationale: 1-Butyl-3-(N-crotonoylsulphanilyl)urea is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

_Assessed by Greenveil._