Database/Colorant/CI 47005
100% petroleum · ISO 16128

Is CI 47005 natural?

No. Synthetic coal-tar/petrochemical dye made from quinoline and phthalic anhydride precursors; no natural-origin fragment present.

INCI nameCI 47005
CAS8004-92-0
FunctionColorant
FeedstockCI 47005 (Quinoline Yellow) is synthesised from petrochemical…

How we scored it

Disulfonated sodium salt of 2-(2-quinolyl)indandione; built from petrochemical quinoline and phthalic anhydride. No natural fragment: 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

CI 47005 (Quinoline Yellow) is synthesised from petrochemical quinoline and phthalic anhydride, then sulfonated and neutralised as the sodium salt. No natural-origin production route exists commercially.

In plain English

A synthetic yellow dye used to colour cosmetics. It is manufactured industrially from petrochemical aromatic compounds, not derived from plants or minerals.

CosIng definition: CI 47005 is a mixture of the sodium salts of the mono- and disulfonic acids of 2-(2-quinolyl)-1H-indene-1,3(2H)-dione. It is principally disulfonated, similar to Ki203 and Acid Yellow 3, whereas Yellow 10 is principally monosulfonated. It conforms to the formula:

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Structure

2D structure of CI 47005

PubChem CID 24671 ↗

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 47005. PubChem CID 24671. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CI 47005. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CI 47005. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2047005