Database/Colorant/Pigment Violet 23
100% petroleum · ISO 16128

Is Pigment Violet 23 natural?

No. Two names for one colorant carry one value; the calculation is on the CI 51319 page.

INCI namePigment Violet 23
CAS6358-30-1
FormulaC34H22Cl2N4O2 · 589.5 Da
FunctionColorant · Hair Dyeing
FeedstockA carbazole dioxazine pigment made from petrochemical carbazole…

How we scored it

This name and CI 51319 are two listings of the same colorant, so it carries that entry's value: 0.00.
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

A carbazole dioxazine pigment made from petrochemical carbazole and chloranil.

In plain English

A deep violet organic pigment used for colour in make-up and hair products. It is a large ring-shaped molecule built from coal-tar and petrochemical aromatic compounds, with two chlorine atoms.

CosIng definition: Pigment Violet 23 is classed chemically as an dioxazine colour. It conforms to the formula:

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Structure

2D structure of Pigment Violet 23

2,20-dichloro-14,32-diethyl-18,36-dioxa-4,14,22,32-tetrazanonacyclo[19.15.0.03,19.05,17.07,15.08,13.023,35.025,33.026,31]hexatriaconta-1,3,5(17),6,8,10,12,15,19,21,23(35),24,26,28,30,33-hexadecaene

PubChem CID 61387 ↗

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. 2Pigment Violet 23. PubChem CID 61387. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3PIGMENT VIOLET 23. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4PIGMENT VIOLET 23. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PIGMENT%20VIOLET%2023