Is 5-Amino-o-Cresol natural?

Q: Is 5-Amino-o-Cresol natural?

5-Amino-o-Cresol has a Natural Origin Index (NOI) of 0.00 (scale 0–1) per ISO 16128. Aminocresol is a petrochemical phenol derivative used as a hair-dye coupler; no natural sourcing route. An NOI of 0.00 means 0% of its molecular mass is traceable to a natural, renewable source.

No. Aminocresol is a petrochemical phenol derivative used as a hair-dye coupler; no natural sourcing route.

INCI name5-Amino-o-Cresol

CAS2835-95-2

FormulaC₇H₉NO · 123.15 Da

FeedstockManufactured from petrochemical cresol via nitration and reduction…

How we scored it

Synthetic amino-cresol (substituted phenol) hair-dye coupler; entirely petrochemical → 0/123.15 = 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

Manufactured from petrochemical cresol via nitration and reduction to install the amino group. Used solely as a synthetic hair-dye coupler.

In plain English

A synthetic hair-dye coupler used in oxidative hair colour to help build specific shades.

Structure

5-amino-2-methylphenol

PubChem CID 17818 ↗

References

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.
25-Amino-o-Cresol. PubChem CID 17818. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
35-AMINO-O-CRESOL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
45-Amino-o-cresol. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=5-Amino-o-cresol