Database/Hair Dyeing/N-Phenyl-p-Phenylenediamine
100% petroleum · ISO 16128

Is N-Phenyl-p-Phenylenediamine natural?

No. Made from petrochemical aniline derivatives; no natural feedstock exists.

INCI nameN-Phenyl-p-Phenylenediamine
CAS101-54-2
FormulaC12H12N2 · 184.24 Da
FunctionHair Dyeing
FeedstockManufactured from petroleum-derived aniline and nitroaniline via industrial…

How we scored it

Synthetic aromatic diamine (aniline + nitroaniline coupling), petrochemical -> 0.0.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Manufactured from petroleum-derived aniline and nitroaniline via industrial coupling and reduction. Used as a hair-dye intermediate with no natural route.

In plain English

A synthetic hair-dye ingredient derived from petroleum-based aniline, used to build permanent hair colour.

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A hair-dye ingredient traditionally made by heating gallic acid, itself extracted from plant tannins in gallnuts, until it…

Structure

2D structure of N-Phenyl-p-Phenylenediamine

4-N-phenylbenzene-1,4-diamine

PubChem CID 7564 ↗

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2N-Phenyl-p-Phenylenediamine. PubChem CID 7564. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3N-PHENYL-P-PHENYLENEDIAMINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4N-PHENYL-P-PHENYLENEDIAMINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=N-PHENYL-P-PHENYLENEDIAMINE