Database/Colorant/CI 77231
100% natural origin · ISO 16128

Is CI 77231 natural?

Yes. Calcium sulfate is a mineral salt; both the calcium cation and sulfate anion are natural origin under ISO 16128.

INCI nameCI 77231
CAS10101-41-4
FormulaCaO4S · 136.14 Da
FunctionColorant
FeedstockSourced from natural gypsum/calcium sulfate mineral deposits, or…

How we scored it

CaO4S = calcium sulfate; a mineral, natural origin (metal-ion and sulfate parts both count as natural).
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

Sourced from natural gypsum/calcium sulfate mineral deposits, or produced as a by-product of mineral processing. No petrochemical alternative applies to this mineral.

In plain English

Calcium sulfate, a natural mineral used as a colorant and bulking agent. Comes directly from gypsum-type mineral sources.

CosIng definition: CI 77231 is classed chemically as an inorganic colour. It conforms to the formula:

Structure

2D structure of CI 77231

calcium sulfate

PubChem CID 24497 ↗

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 77231. PubChem CID 24497. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CI 77231. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CI 77231. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2077231