Database/Colorant/CI 58000
100% petroleum · ISO 16128

Is CI 58000 natural?

No. Modern commercial supply of this anthraquinone dye is synthesised from petrochemical anthraquinone, not extracted from madder root.

INCI nameCI 58000
CAS72-48-0
FormulaC14H8O4 · 240.21 Da
FunctionColorant
FeedstockCI 58000 (alizarin) is produced industrially from synthetic…

How we scored it

Molecule is anthraquinone-diol (alizarin); commercial cosmetic-grade CI 58000 is manufactured synthetically from anthraquinone; no natural fragment counted → 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

CI 58000 (alizarin) is produced industrially from synthetic anthraquinone. Madder-root extraction is the historical natural route but is not the commercially significant source for regulated cosmetic colorant supply today.

In plain English

A synthetic red-orange dye based on the alizarin molecule, historically sourced from madder root but now manufactured from petrochemical anthraquinone chemistry for commercial dye supply. Used as a colorant in cosmetics.

CosIng definition: CI 58000 is classed chemically as an anthraquinone colour. It conforms to the formula:

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Structure

2D structure of CI 58000

1,2-dihydroxyanthracene-9,10-dione

PubChem CID 6293 ↗

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. 2CI 58000. PubChem CID 6293. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CI 58000. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CI 58000. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2058000