# Dimethyl sulfate

URL: https://app.greenveil.ai/ingredients/ingredient_cas_77_78_1
Categories: beauty, industrial
Identifier: 77-78-1

> Dimethyl sulfate. 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: Dimethyl sulphate 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(C=>0.01%),Mutagenic Cat. 2(C=>0.01%)
- US: commercial use observed — EPA CPDat observed this chemical in 6 composition records across product categories including Laboratory supplies, Specialty occupational products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._