Database/Antistatic/Distearoylethyl Hydroxyethylmonium Methosulfate
Mostly natural · ISO 16128

Is Distearoylethyl Hydroxyethylmonium Methosulfate natural?

Mostly. The stearic acid ester tails are oleochemical and the sulfate group of the methosulfate comes from mineral sulfuric acid, so both count as natural origin. Only the ethanolamine backbone, the quaternising methyl groups and the methyl carried by the counter-ion are petrochemical. The sulfate share is 96.06 Da, not 80 Da as previously used.

INCI nameDistearoylethyl Hydroxyethylmonium Methosulfate
CAS32208-04-1
FormulaC44H89NO9S · 808.2 Da
FunctionAntistatic · Hair Conditioning
FeedstockAn esterquat made by esterifying triethanolamine with two…

How we scored it

The supplied formula C44H89NO9S weighs 808.25 Da. Natural origin is the two stearoyl ester tails (2 x C18H35O = 534.96 Da) plus the sulfate part of the methosulfate counter-ion (SO4, 96.06 Da) = 631.02 Da. Petrochemical is the ethanolamine-derived quaternary core and the methyl carried by the counter-ion, 177.23 Da. So 631.02/808.25 = 0.78.
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

An esterquat made by esterifying triethanolamine with two stearic acid molecules, then quaternising with dimethyl sulfate. The fatty tails come from vegetable oil or tallow and the sulfate from mineral sulfuric acid; the amine backbone and the methyl groups are petrochemical.

In plain English

A hair-conditioning ingredient built from two fatty stearic-acid tails attached to a synthetic quaternary ammonium core. The fatty tails typically come from vegetable oil; the core is petrochemical.

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Structure

2D structure of Distearoylethyl Hydroxyethylmonium Methosulfate

2-hydroxyethyl-methyl-bis(2-octadecanoyloxyethyl)azanium;methyl sulfate

PubChem CID 21124016 ↗

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. 2Distearoylethyl Hydroxyethylmonium Methosulfate. PubChem CID 21124016. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3DISTEAROYLETHYL HYDROXYETHYLMONIUM METHOSULFATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4DISTEAROYLETHYL HYDROXYETHYLMONIUM METHOSULFATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=DISTEAROYLETHYL%20HYDROXYETHYLMONIUM%20METHOSULFATE