Database/Hair Dyeing/HC Violet No. 2
100% petroleum · ISO 16128

Is HC Violet No. 2 natural?

No. Nitroaniline dye carrying a bis(hydroxyethyl)amino group and a propanol side chain, built entirely from petrochemical aniline feedstock.

INCI nameHC Violet No. 2
CAS104226-19-9
FormulaC13H21N3O5 · 299.32 Da
FunctionHair Dyeing
FeedstockHC Violet No. 2 is synthesised from petrochemical…

How we scored it

C13H21N3O5 bis(hydroxyethyl)amino-nitroanilino-propanol dye; entire structure from petrochemical aniline intermediates via nitration and hydroxyethylation. 0/299.32 = 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

HC Violet No. 2 is synthesised from petrochemical aniline via nitration, hydroxyethylation and alkylation with a propanol side chain. No natural route exists.

In plain English

A synthetic violet dye used for direct hair coloring. It's produced from petroleum-derived aromatic amine chemicals through several synthesis steps, with no natural source.

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Structure

2D structure of HC Violet No. 2

3-[4-[bis(2-hydroxyethyl)amino]-2-nitroanilino]propan-1-ol

PubChem CID 13907760 ↗

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. 2HC Violet No. 2. PubChem CID 13907760. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3HC VIOLET NO. 2. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4HC VIOLET NO. 2. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=HC%20VIOLET%20NO.%202