Database/Colorant/CI 73900
100% petroleum · ISO 16128

Is CI 73900 natural?

No. Quinacridone pigments are manufactured entirely from petrochemical aromatic amine and diester feedstocks with no natural-origin fragment.

INCI nameCI 73900
CAS1047-16-1
FormulaC20H12N2O2 · 312.3 Da
FunctionColorant
FeedstockCI 73900 is a synthetic quinacridone pigment manufactured…

How we scored it

Quinacridone pigment; entirely synthetic aromatic construction from petrochemical succinylsuccinate/aniline chemistry; no natural fragment → 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 73900 is a synthetic quinacridone pigment manufactured from petrochemical succinylsuccinate diester and aniline derivatives. No natural production route exists.

In plain English

A synthetic violet-red pigment from the quinacridone family, manufactured entirely from petrochemical chemicals. Used to colour cosmetics.

CosIng definition: CI 73900 is classed chemically as a quinacridone colour. It conforms to the formula:

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Structure

2D structure of CI 73900

5,12-dihydroquinolino[2,3-b]acridine-7,14-dione

PubChem CID 13976 ↗

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 73900. PubChem CID 13976. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CI 73900. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CI 73900. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2073900