N,N'-BIS(2-HYDROXYETHYL)-2-NITRO-P-PHENYLENEDIAMINE

Other

55

Moderate

CAS Number: 84041-77-0

About N,N'-BIS(2-HYDROXYETHYL)-2-NITRO-P-PHENYLENEDIAMINE

A semi-permanent hair dye with nitro group coloring — works without developer but can irritate skin and eyes.

Detailed Analysis

N,N'-Bis(2-hydroxyethyl)-2-nitro-p-phenylenediamine (CAS 84041-77-0) is a nitro-aromatic hair dye that provides direct coloring without oxidation. The nitro group imparts color while the hydroxyethyl groups improve solubility. GHS classifications include H315 (skin irritation), H319 (eye irritation, 50%), and H335 (respiratory irritation). Phenylenediamine derivatives are established sensitizers, and nitro-PPD variants carry residual sensitization risk.

What It Does

HAIR DYEING

Known Concerns

  • ⚠ Skin irritation (H315)
  • ⚠ Serious eye irritation (H319)
  • ⚠ May cause respiratory irritation (H335)
  • ⚠ Phenylenediamine derivative — sensitization risk
  • ⚠ Hair dye allergen class

Safety Score

55

Moderate

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

References

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EU CosIng Database

European Commission cosmetic ingredient registry

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