Database/Colorant/CI 74260
Mostly petroleum · ISO 16128

Is CI 74260 natural?

Mostly not. Only the chelated copper atom is arguably natural-origin mineral mass; the entire chlorinated phthalocyanine macrocycle is built from petrochemical phthalonitrile/urea chemistry.

INCI nameCI 74260
CAS1328-53-6
FormulaC32HCl15CuN8 · 1092.7 Da
FunctionColorant
FeedstockCI 74260 is a chlorinated copper-phthalocyanine pigment manufactured…

How we scored it

Copper (63.5 Da) treated as natural-origin metal per counter-ion convention; chlorinated phthalocyanine ring (~1029 Da) synthetic; total 1092.7 → 63.5/1092.7=0.06.
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 74260 is a chlorinated copper-phthalocyanine pigment manufactured from petrochemical phthalonitrile (or phthalic anhydride/urea) reacted with a copper salt, then chlorinated. Only the copper atom itself has a mineral origin; the organic ring system is entirely synthetic.

In plain English

A synthetic blue-green pigment built around a copper atom held in a man-made ring structure (a phthalocyanine), with most of its mass from petrochemical chemicals. Used to colour cosmetic products.

CosIng definition: CI 74260 is classed chemically as a phthalocyanine colour. It conforms to the formula:

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Structure

2D structure of CI 74260

copper 5,6,7,8,15,16,17,23,24,25,26,32,33,34,35-pentadecachloro-2,11,20,29,37,38-hexaza-39,40-diazanidanonacyclo[28.6.1.13,10.112,19.121,28.04,9.013,18.022,27.031,36]tetraconta-1,3,5,7,9,11,13,15,17,19,21(38),22(27),23,25,28,30(37),31(36),32,34-nonadecaene

PubChem CID 169274 ↗

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 74260. PubChem CID 169274. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CI 74260. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CI 74260. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2074260