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Tetrahydro-6-nitroquinoxaline and its salts
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Tetrahydro-6-nitroquinoxaline And Its Salts is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.
Tetrahydro-6-nitroquinoxaline is a heterocyclic aromatic compound containing a nitrated quinoxaline ring system. Nitro-substituted aromatic compounds are generally considered problematic in cosmetic formulations due to concerns about potential reduction to reactive intermediates and photosensitization. Under EU Regulation (EC) No 1223/2009 Annex II, nitro compounds in hair dye applications are generally restricted or prohibited. The compound is listed as a hair dye precursor in Annex II, prohibiting its use in cosmetic products in the EU regardless of concentration. Multiple CAS numbers reflect different salt forms, all sharing the core tetrahydro-nitroquinoxaline structure and regulatory restriction.
Known concerns
- Prohibited in EU cosmetics (Annex II)
- Hair dye precursor with nitro-group concerns
- Potential photosensitization
- Potential reduction to reactive intermediates
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related others
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.