# Thallium

URL: https://app.greenveil.ai/ingredients/ingredient_cas_7440_28_0
Categories: beauty, industrial, pharma
Functions: Degradant/impurity, Surface modifier, tile body, tile body and glaze
Identifier: 7440-28-0

> Thallium is used as degradant/impurity / surface modifier. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Assessed from 7 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence: 4
- Rationale: Thallium and its compounds 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 76 composition records across product categories including Construction and building materials, Laboratory supplies, Batteries. EPA CPDat classifies this chemical for functional uses including tile body, Surface modifier, Degradant/impurity.
- US: marketed drug occurrence — FDA NDC lists this ingredient in 24 active drug products and 33 total products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._