# 2,4-Diaminoazobenzene

URL: https://app.greenveil.ai/ingredients/ingredient_cas_495_54_5
Categories: beauty, cleaning
Functions: Dye
Identifier: 495-54-5

> 2,4-Diaminoazobenzene is used as dye. Greenveil chemical-concern score: 100/100 — Critical concern driven by cmr.. Assessed from 5 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern driven by cmr.
- Confidence: 4
- Rationale: m-Phenylenediamine, 4-(phenylazo)-, and its salts, when used as a substance in hair dye products 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: Mutagenic Cat. 2()
- US: commercial use observed — EPA CPDat observed this chemical in 36 composition records across product categories including Personal care, Batteries, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Dye.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._