# Parathion

URL: https://app.greenveil.ai/ingredients/ingredient_cas_56_38_2
Categories: beauty, industrial
Functions: Biocide
Identifier: 56-38-2

> Parathion is used as biocide. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Assessed from 6 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence: 4
- Rationale: O,O'-Diethyl-O-4-nitrophenyl phosphorothioate (Parathion - ISO) 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.
- US: commercial use observed — EPA CPDat observed this chemical in 8 composition records across product categories including Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Biocide.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._