Database/Colorant/CI 77288
100% natural origin · ISO 16128

Is CI 77288 natural?

Yes. An entirely mineral pigment, chromium(III) oxide, with no organic or petrochemical component.

INCI nameCI 77288
CAS1308-38-9
FormulaCr2O3 · 151.990 Da
FunctionColorant
FeedstockCI 77288 (chromium oxide green) is manufactured by…

How we scored it

Chromium oxide green is a fully inorganic mineral pigment (Cr2O3); all atoms natural-origin under ISO 16128 → 1.0.
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 77288 (chromium oxide green) is manufactured by calcining chromium compounds at high temperature to form the crystalline oxide. No organic feedstock is involved.

In plain English

CI 77288 (chromium oxide green) is a mineral pigment used to add green colour to cosmetics and makeup.

CosIng definition: CI 77288 is classed chemically as an inorganic colour. It conforms generally to the formula:

Structure

2D structure of CI 77288

oxo(oxochromiooxy)chromium

PubChem CID 517277 ↗

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 77288. PubChem CID 517277. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CI 77288. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CI 77288. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2077288