3,5-Diamino-2,6-dimethoxypyridine and its salts

45

Caution

CAS Number: 56216-28-5 - 85679-78-3

About 3,5-Diamino-2,6-dimethoxypyridine and its salts

A hair dye intermediate precursor restricted to oxidative hair dye formulations, with potential sensitisation concerns.

Detailed Analysis

3,5-Diamino-2,6-dimethoxypyridine is an aromatic amine hair dye precursor used in oxidative (permanent) hair coloration systems. Under EU Cosmetics Regulation Annex III, it is restricted to below 0.1% as a constituent of substances or mixtures for use in hair dye formulations. Like other aromatic amine dye precursors, it carries potential sensitisation concerns and requires appropriate warning labelling.

What It Does

COLORANT

Known Concerns

  • ⚠ Restricted in EU (Annex III, <0.1% in hair dyes)
  • ⚠ Potential skin sensitiser
  • ⚠ Requires oxidative coupling for safe use
  • ⚠ Aromatic amine dye precursor concerns

Safety Score

45

Caution

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

🏛

EU CosIng Database

European Commission cosmetic ingredient registry

Check your products for 3,5-Diamino-2,6-dimethoxypyridine and its salts

Scan any cosmetic product to see if it contains this ingredient and get a full safety breakdown.

Download LuxSense

This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.