(4-Phenylbutyl)phosphinic acid
Other
Avoid
CAS Number: 86552-32-1
About (4-Phenylbutyl)phosphinic acid
An organophosphorus compound subject to EU restrictions due to its toxicity profile and structural concerns.
Detailed Analysis
(4-Phenylbutyl)phosphinic acid (CAS 86552-32-1) is restricted under EU Cosmetics Regulation 1223/2009: it shall not be placed on the market or used as a substance or in mixtures in concentrations equal to or greater than 0.1% by weight. This restriction suggests concern regarding systemic toxicity, skin sensitization, or environmental hazard. Phosphinic acids are not widely used in cosmetics due to these regulatory constraints.
Known Concerns
- ⚠ EU restricted at ≥0.1% in cosmetic mixtures
- ⚠ Structural alerts for organophosphate toxicity
- ⚠ Not approved for leave-on applications at normal use concentrations
Safety Score
Avoid
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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