Database/Antistatic/Stearamidopropyl Dimethylamine
Mostly natural · ISO 16128

Is Stearamidopropyl Dimethylamine natural?

Mostly. Oleochemical stearic acid condensed with synthetic dimethylaminopropylamine to form the amide.

INCI nameStearamidopropyl Dimethylamine
CAS7651-02-7
FormulaC23H48N2O · 368.6 Da
FunctionAntistatic · Emulsifying Surfactant
FeedstockManufactured by reacting stearic acid, typically from vegetable…

How we scored it

Stearic acid (284 Da, natural) amide-bonded to DMAPA (102 Da, petrochemical), -H2O: natural 267/368 total = 0.73.
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.

How it’s made

Amidation of stearic acid with DMAPA. Each curved arrow moves one electron pair, and the film ends on the score above.

Where it comes from

Manufactured by reacting stearic acid, typically from vegetable or tallow fat, with dimethylaminopropylamine (DMAPA), a petrochemical synthetic amine. The fatty-acid portion dominates the molecule's mass.

In plain English

A conditioning ingredient made from stearic acid (a plant/animal fatty acid) joined to a synthetic amine building block. Used in hair conditioners to reduce static and improve combing, and as a mild surfactant.

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Structure

2D structure of Stearamidopropyl Dimethylamine

N-[3-(dimethylamino)propyl]octadecanamide

PubChem CID 62109 ↗

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. 2Stearamidopropyl Dimethylamine. PubChem CID 62109. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3STEARAMIDOPROPYL DIMETHYLAMINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4STEARAMIDOPROPYL DIMETHYLAMINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=STEARAMIDOPROPYL%20DIMETHYLAMINE