Database/Antistatic/PEG-2 Stearmonium Chloride
Mostly natural · ISO 16128

Is PEG-2 Stearmonium Chloride natural?

Mostly. Stearyl chain and its amine nitrogen are oleochemical; the ethoxylate arms and methyl are petrochemical, chloride counted as mineral.

INCI namePEG-2 Stearmonium Chloride
CAS60687-87-8
FormulaC23H50ClNO2 · 408.1 Da
FunctionAntistatic · Emulsifying Surfactant
FeedstockMade from stearylamine (a fatty amine derived from…

How we scored it

Octadecyl+N C18H37N 267 natural (fatty amine, oleochemical) + Cl 35 natural (mineral); petrochemical CH3 15 (quaternising methyl) + C4H10O2 90 (2 mol ethylene oxide) -> 303/408 = 0.74
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

Made from stearylamine (a fatty amine derived from natural stearic acid) reacted with two moles of petrochemical ethylene oxide and methylated to a quaternary salt. The chloride counterion is treated as natural mineral origin.

In plain English

A conditioning agent made from stearyl (C18 fatty) amine reacted with ethylene oxide and methylated to form a quaternary ammonium salt. Used in hair conditioners for antistatic effect and to improve softness.

CosIng definition: Octadecanaminium, N,N-bis(2-hydroxyethyl)-N-methyl-, chloride

Natural alternatives with the same function

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Structure

2D structure of PEG-2 Stearmonium Chloride

bis(2-hydroxyethyl)-methyl-octadecylazanium chloride

PubChem CID 76375 ↗

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. 2PEG-2 Stearmonium Chloride. PubChem CID 76375. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3PEG-2 STEARMONIUM CHLORIDE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4PEG-2 STEARMONIUM CHLORIDE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PEG-2%20STEARMONIUM%20CHLORIDE