Database/Hair Dyeing/Solvent Violet 13
100% petroleum · ISO 16128

Is Solvent Violet 13 natural?

No. This anthraquinone dye is built entirely from petrochemical anthracene and toluidine derivatives.

INCI nameSolvent Violet 13
CAS81-48-1
FormulaC21H15NO3 · 329.3 Da
FunctionHair Dyeing
FeedstockManufactured by condensing petrochemical anthraquinone intermediates with p-toluidine.…

How we scored it

C21H15NO3, no mineral counter-ion; anthraquinone-toluidine structure entirely synthetic. 0/329.3=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 by condensing petrochemical anthraquinone intermediates with p-toluidine. No natural-origin atoms remain in the final dye.

In plain English

A synthetic violet dye used to colour hair. It is an anthraquinone-type dye manufactured entirely from petrochemical aromatic starting materials.

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Structure

2D structure of Solvent Violet 13

1-hydroxy-4-(4-methylanilino)anthracene-9,10-dione

PubChem CID 6680 ↗

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. 2Solvent Violet 13. PubChem CID 6680. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3SOLVENT VIOLET 13. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4SOLVENT VIOLET 13. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SOLVENT%20VIOLET%2013