Hair dye intermediate

4-ETHOXY-M-PHENYLENEDIAMINE SULFATE

CAS 6219-69-8 / 68015-98-5

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

4-Ethoxy-m-phenylenediamine sulfate is an alkoxy m-phenylenediamine derivative used historically as a hair dye intermediate. Class membership with prohibited diamines places it in the red tier.

Skin benefits

Used historically as oxidative hair dye intermediate
Ethoxy substitution alters shade development
Salt form improves solubility

Known concerns

m-Phenylenediamine derivative with class-level sensitization concerns
Subject to EU SCCS hair dye review
Limited public safety data on this specific isomer
Likely restricted or prohibited in EU cosmetics

References

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Phenol, 3-amino-2,6- dimethyl

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4,6-BIS-(2-HYDROXYETHOXY)-M-PHENYLENEDIAMINE HCL

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6-METHOXY-2,3-PYRIDINEDIAMINE HCL

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DIAMINOHEXYL TRIHYDROXYBENZAMIDE HCL

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M-PHENYLENEDIAMINE

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N,N-DIMETHYL-P-PHENYLENEDIAMINE

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Same plant / compound family

4-ETHOXY-M-PHENYLENEDIAMINE

Hair Conditioning

4-Ethoxy-m-phenylenediamine and its salts

Prohibited hair dye intermediate

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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.