3,3'-Dichlorobenzidine dihydrogen bis(sulphate)
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
3,3'-dichlorobenzidine Dihydrogen Bis(sulphate) is classified as a known carcinogen. It is restricted or banned in cosmetic products in most jurisdictions. Exercise caution due to limited available safety data.
3,3'-Dichlorobenzidine is a known animal carcinogen and is classified as a suspected human carcinogen (IARC Group 2A). Its sulfate salt is used in azo pigment production. The compound is not listed on any EU Annex for cosmetic colorants and is effectively prohibited from cosmetic use. Any trace residual in azo pigments or intermediates would be of significant regulatory concern.
Known concerns
- Known animal carcinogen (IARC Group 2A)
- Aromatic amine with structural alerts for bladder carcinogenicity
- Not authorised in EU cosmetic Annexes
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.