Database/Hair Dyeing/Tetrahydro-6-Nitroquinoxaline
100% petroleum · ISO 16128

Is Tetrahydro-6-Nitroquinoxaline natural?

No. This hair-dye intermediate is built entirely from petrochemical aromatic and amine feedstocks via nitration and hydrogenation.

INCI nameTetrahydro-6-Nitroquinoxaline
CAS41959-35-7
FormulaC8H9N3O2 · 179.18 Da
FunctionHair Dyeing · Light Stabilizer
FeedstockThe feedstock is petrochemical quinoxaline, produced via nitration…

How we scored it

Single synthetic nitro-heterocycle; no natural fragment exists.
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

The feedstock is petrochemical quinoxaline, produced via nitration and hydrogenation steps. No natural route exists for this dye intermediate.

In plain English

A synthetic dye intermediate used in hair colouring products.

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Structure

2D structure of Tetrahydro-6-Nitroquinoxaline

6-nitro-1,2,3,4-tetrahydroquinoxaline

PubChem CID 10197942 ↗

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. 2Tetrahydro-6-Nitroquinoxaline. PubChem CID 10197942. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3TETRAHYDRO-6-NITROQUINOXALINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4TETRAHYDRO-6-NITROQUINOXALINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=TETRAHYDRO-6-NITROQUINOXALINE