4,4'-Carbonimidoylbis[N,N-dimethylaniline] and its salts
Other
Avoid
CAS Number: 492-80-8
About 4,4'-Carbonimidoylbis[N,N-dimethylaniline] and its salts
A cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.
Detailed Analysis
Auramine O carries EU hazard statements H302 (harmful if swallowed), H319 (serious eye irritation), H351 (suspected carcinogen), and H411 (toxic to aquatic life). This diphenylmethane dye has structural similarities to allergens and has been associated with allergic contact dermatitis. Under EU Cosmetics Regulation 1223/2009, substances classified as CMR Category 2 are generally prohibited; Auramine O is not listed in any EU Annex, effectively restricting its use in cosmetics placed on the EU market.
Known Concerns
- ⚠ Suspected carcinogen (H351)
- ⚠ Harmful if swallowed (H302)
- ⚠ Serious eye irritant (H319)
- ⚠ Toxic to aquatic organisms (H411)
- ⚠ Associated with allergic contact dermatitis
- ⚠ Effectively prohibited in EU-market cosmetics (not in any Annex)
Safety Score
Avoid
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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