Database/Colorant/CI 12700
100% petroleum · ISO 16128

Is CI 12700 natural?

No. Phenylpyrazolone azo pigment is built entirely from synthetic aromatic amine and hydrazine intermediates.

INCI nameCI 12700
CAS4314-14-1
FormulaC16H14N4O · 278.31 Da
FunctionColorant
FeedstockSynthetic monoazo pigment made by condensing phenylhydrazine with…

How we scored it

Pyrazolone monoazo pigment from phenylhydrazine and diazotized aniline coupling components; no natural fragment present → 0/278 = 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

Synthetic monoazo pigment made by condensing phenylhydrazine with an acetoacetate to form a pyrazolone, then coupling with diazotized aniline; both from petrochemical benzene. No natural route.

In plain English

A synthetic yellow pigment used to colour cosmetic products, manufactured from man-made aromatic chemical intermediates.

CosIng definition: CI 12700 is classed chemically as a monoazo colour. It conforms to the formula:

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Structure

2D structure of CI 12700

5-methyl-2-phenyl-4-phenyldiazenyl-4H-pyrazol-3-one

PubChem CID 107537 ↗

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 12700. PubChem CID 107537. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CI 12700. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CI 12700. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2012700