6-NITRO-2,5-PYRIDINEDIAMINE
Other
Avoid
CAS Number: 69825-83-8
About 6-NITRO-2,5-PYRIDINEDIAMINE
A nitro-substituted pyridine diamine hair dye intermediate with a very low PubChem safety score (5) and EU Annex II/1321 restriction, indicating significant safety concerns.
Detailed Analysis
6-Nitro-2,5-pyridinediamine is a heterocyclic nitro-diamine used as a coupling agent in oxidative hair dye systems. It carries an extremely low PubChem safety score of 5, reflecting significant toxicological concerns. It is listed in EU Annex II/1321, prohibiting its use in cosmetic products in the EU. The combination of a nitro group with a heterocyclic diamine structure presents concerns for mutagenicity and skin sensitisation.
Known Concerns
- ⚠ EU Annex II restricted (II/1321) - prohibited in EU cosmetic products
- ⚠ Very low safety score (PubChem: 5)
- ⚠ Potential mutagenicity from nitro-heterocyclic structure
- ⚠ Skin and respiratory sensitisation concerns
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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