Database/Colorant/CI 47000
100% petroleum · ISO 16128

Is CI 47000 natural?

No. Quinoline-phthalimide dye core is built entirely from petrochemical quinoline and phthalic anhydride feedstocks with no natural-origin fragment.

INCI nameCI 47000
CAS8003-22-3
FormulaC18H11NO2 · 273.3 Da
FunctionColorant · Hair Dyeing
FeedstockCI 47000 is a synthetic quinophthalone colorant manufactured…

How we scored it

Molecule is a synthetic quinophthalone (quinoline + phthalic anhydride condensation); no natural fragment; entire mass petrochemical → 0/273 = 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 47000 is a synthetic quinophthalone colorant manufactured from petrochemical quinoline and phthalic anhydride. No natural production route exists for this dye.

In plain English

A synthetic yellow dye used to colour cosmetics and hair dye. It is manufactured from petrochemical feedstocks, not extracted from a natural source.

CosIng definition: CI 47000 is classed chemically as a quinoline colour. It conforms to the formula:

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Structure

2D structure of CI 47000

2-quinolin-2-ylindene-1,3-dione

PubChem CID 6731 ↗

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 47000. PubChem CID 6731. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CI 47000. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CI 47000. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2047000