Database/Colorant/CI 14270
Mostly petroleum · ISO 16128

Is CI 14270 natural?

Mostly not. Azo dye chromophore is synthetic aromatic chemistry; only the sodium sulfonate counter-ion fragment is mineral-origin.

INCI nameCI 14270
CAS547-57-9
FormulaC12H9N2NaO5S · 316.27 Da
FunctionColorant
FeedstockSynthetic monoazo acid dye made by diazotizing sulfanilic…

How we scored it

SO3Na sulfonate fragment (natural, 103 Da) + dihydroxyphenyl-azo-benzene chromophore (petrochemical, 213 Da) = 103/316 = 0.33
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 acid dye made by diazotizing sulfanilic acid and coupling with resorcinol, both from petrochemical benzene derivatives. Only the sodium sulfonate fragment counts as natural-origin.

In plain English

A synthetic yellow-orange dye used to colour cosmetic products, manufactured from man-made aromatic chemical intermediates and turned into a sodium salt.

CosIng definition: CI 14270 is classed chemically as a monoazo colour. It conforms to the formula:

Natural alternatives with the same function

Aluminum Powder 100% natural origin

Finely powdered aluminum metal used to add shimmer or color to cosmetics. It comes from refining bauxite ore,…

 Aluminum Stearate 100% natural origin

An aluminium salt of stearic acid, a fatty acid from vegetable or animal fat. Used to prevent caking,…

 Anthocyanins 100% natural origin

A natural colorant that gives products red, purple or blue tones. It is recovered from grape skins or…

 Calcium Ferrite 100% natural origin

A mineral pigment made of calcium and iron oxide, used as a colourant in cosmetics. It is produced…

 Calcium Stearate 100% natural origin

The calcium salt of stearic acid, a fatty acid usually from vegetable oils. Used as an anti-caking, thickening…

 Caramel 100% natural origin

A colouring and fragrance ingredient made by heating sugar, sucrose or glucose, until it browns. It comes from…

Structure

2D structure of CI 14270

sodium 4-[(2,4-dihydroxyphenyl)diazenyl]benzenesulfonate

PubChem CID 2728027 ↗

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 14270. PubChem CID 2728027. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CI 14270. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CI 14270. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CI%2014270