6-Methoxy-N2-methyl-2,3-pyridinediamine hydrochloride and dihydrochloride salt
Other
Caution
CAS Number: 90817-34-8 / 83732-72-3
About 6-Methoxy-N2-methyl-2,3-pyridinediamine hydrochloride and dihydrochloride salt
A restricted oxidative hair dye precursor — allowed only at low concentrations for professional and consumer hair coloring.
Detailed Analysis
This pyridinediamine derivative is an oxidative hair dye primary intermediate. It is restricted under EU regulations with a maximum concentration of 0.68% as free base (1.0% as dihydrochloride salt). PubChem safety score is 45, reflecting moderate concerns. While no GHS classifications are specifically recorded, the structural class (aromatic diamines) carries inherent sensitization and mutagenicity concerns.
What It Does
Known Concerns
- ⚠ EU restricted concentration
- ⚠ Aromatic diamine — potential sensitizer
- ⚠ Hair dye chemical
Safety Score
Caution
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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