Database/Hair Dyeing/HC Orange No. 2
100% petroleum · ISO 16128

Is HC Orange No. 2 natural?

No. Nitrophenoxyethanol dye with an aminoethylamino side chain, built entirely from petrochemical nitroaromatic feedstock through synthetic amination and alkylation.

INCI nameHC Orange No. 2
CAS85765-48-6
FormulaC10H15N3O4 · 241.24 Da
FunctionHair Dyeing
FeedstockHC Orange No. 2 is manufactured from petrochemical…

How we scored it

C10H15N3O4 aminoethylamino-nitrophenoxy-ethanol dye; entire structure from petrochemical nitrophenol/aniline intermediates. 0/241.24 = 0.0.
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

HC Orange No. 2 is manufactured from petrochemical nitrophenol/aniline derivatives via etherification and amination steps. No natural-origin route exists.

In plain English

A synthetic orange dye used for direct hair coloring. It's produced in several chemical synthesis steps from petroleum-derived aromatic compounds, with no plant or natural input.

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Structure

2D structure of HC Orange No. 2

2-[4-(2-aminoethylamino)-3-nitrophenoxy]ethanol

PubChem CID 21909551 ↗

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. 2HC Orange No. 2. PubChem CID 21909551. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3HC ORANGE NO. 2. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4HC ORANGE NO. 2. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=HC%20ORANGE%20NO.%202