N,N-DIETHYL-P-PHENYLENEDIAMINE SULFATE
Other
Caution
CAS Number: 6283-63-2
About N,N-DIETHYL-P-PHENYLENEDIAMINE SULFATE
A p-phenylenediamine derivative used as a hair dye intermediate, restricted under EU CosIng Annex II for oxidative hair dye applications.
Detailed Analysis
This compound is the sulfate salt of a diethyl-substituted p-phenylenediamine, used as a primary intermediate in oxidative (permanent) hair dye formulations. It is listed in EU CosIng Annex II under reference II/1311, restricting its use to hair dye applications only, and only under specified conditions. Like other PPD derivatives, it is a known sensitizer and is subject to mandatory labeling requirements in the EU for hair dye products due to allergy risk.
Skin Benefits
- ✓ Functions as a primary hair dye intermediate providing color development
Known Concerns
- ⚠ EU CosIng Annex II/1311 restricts use to hair dyes only
- ⚠ Known skin sensitizer — causes allergic contact dermatitis (especially in PPD-sensitized individuals)
- ⚠ Mandatory labeling required in EU hair dye products
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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