Study of a mixture of ethoxylated fatty alcohols
(Polyethylene glycol alkyl ether)


Ethoxylated fatty alcohols also called Polyethylene glycol alkyl ether (in English Fatty Alcohol Ether) are surfactants belonging to the family of nonionic surfactants.
Their analysis by UPLC/TOF-MS revealed a characteristic distribution.


Distribution: The study of a mixture of polyethylene glycol alkyl ether reveals the following distributions:

PERKIN ELMER ALTUS A30 – AXION 2 TOF

  • PEG from n=7 to n=16 (Reaction by-product)
  • Heptanol R = C7H15 n=9 to 15
  • Octanol R = C8H17 n=8 to 15
  • Nonanol R = C9H19 n=8 to 14
  • Decanol R = C10H21 n=8 to 14
  • Dodecanol R = C12H23 n= 5 to n=15
  • Tridecanol R = C13H25 n= 5 to n=15
  • Tetradecanol R = C14H27 n= 5 to n=15
  • ...
    • Distribution du surfactant alcool gras éthoxylés

    => The major compounds are Dodecanol/Tridecanol/Ethoxylated Tetradecanol eg CAS [68439-50-9], centered around n=10.

    Analyse alcool C12 Ethoxylé/Propoxylé





    Analysis of an Ethoxylated/Propoxylated C12 Alcohol [500-241-6]


  • Dodecanol R=C12H23 PPG n=2 to 11;
    PEG n= 5 to 18

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