# Sulfuric acid--3,3'-dimethyl[1,1'-biphenyl]-4,4'-diamine (2/1)

URL: https://app.greenveil.ai/ingredients/ingredient_cas_64969_36_4
Categories: beauty, industrial
Identifier: 64969-36-4

> Sulfuric acid--3,3'-dimethyl[1,1'-biphenyl]-4,4'-diamine (2/1). 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: [3,3'-Dimethyl[1,1'-biphenyl]-4,4'-diyl]diammonium bis(hydrogen 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()
- US: commercial use observed — EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.

_Assessed by Greenveil._