# 4-[2-[4-[2-[7-[(4-Carboxyphenyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethoxyphenyl]diazenyl]-benzoic acid ammonium salt (1:3)

URL: https://app.greenveil.ai/ingredients/ingredient_cas_221354_37_6
Categories: beauty, industrial
Identifier: 221354-37-6

> 4-[2-[4-[2-[7-[(4-Carboxyphenyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl]-2,5-dimethoxyphenyl]diazenyl]-benzoic acid ammonium salt (1:3). Greenveil chemical-concern score: 100/100 — Critical concern driven by cmr.. Assessed from 3 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern driven by cmr.
- Confidence: 4
- Rationale: Triammonium 4-[4-[7-(4-carboxylatoanilino)-1-hydroxy-3-sulfonato-2-naphthylazo]-2,5-dimethoxyphenylazo]benzoate 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: Reprotoxic Cat. 2()
- US: commercial use observed — EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.

_Assessed by Greenveil._