Chemical name:

Polyoxyethylene monooleyl ether, Macrogol oleyl ether


surfactants, non-ionic surfactants

Markets and applications:





alkoxylated alcohols, ethoxylated alcohols



CAS No.:

INCI: Oleth-20


ROKAnol O20PF belongs to the nonionic surfactants group and is an ethoxylated oleyl alcohol. The product is in the form of a white solid with a waxy consistency. It is characterised by good dispersing, solubilising, and thickening properties.

ROKAnol O20PF fulfils the strict quality requirements set forth in the Pharmacy Code, collected and published in the latest edition of European Pharmacopoeia. This allows the product to be classified as a Macrogol Oleyl Ether.

ROKAnol O20PF has a strong hydrophilic character due to the degree of ethoxylation of oleyl alcohol, which is excellent for stable oil-in-water (O / W) emulsions. Given the very good emulsifying properties, ROKAnol O20PF is especially recommended for emulsions prepared in room temperature. This is important when using particularly high temperature active ingredients, which are a common ingredient in many emulsions.

The very good dispersing and stabilising properties of ROKAnol O20PF are important when creating stable formulations in which the active substance is present in solid form, such as in ointments. Good dispersion of the active substance in the product allows it to distribute evenly on the skin. This ability of ROKAnol O20PF is used in the form of spray dressings.

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Properties and applications:

Product advantages:

  • fulfils the stringent quality requirements of the latest edition of European Pharmacopoeia so that it can be classified as a Macrogol Oleyl Ether,
  • excellent for making stable oil-in-water (O / W) emulsions,
  • very good emulsifier even at room temperature emulsification,
  • forms stable formulations in which the active substance is present in solid form,
  • provides very good dispersion of the active substance in the product.


  • ointments,
  • antiseptic ointments,
  • spray dressings,
  • dermocosmetics,
  • balms,
  • creams,
  • oils.

Alternative names:

Show alternative names
alcohol, ethoxylated; oleyl alcohol, ethoxylated; (Z)-9-Octadecen-1-ol ethoxylated; Oleth-20; Polyoxyethylenoleylether; (Hide)


oleth-20 9004-98-2 emulsifier non-ionic surfactant pharmaceutical industry pharmaceutical grade european pharmacopoeia macrogol oleyl ether PEG pharmaceutical macrogol eur. ph. excipient pharma grade pharmacopoeia excipients API dermocosmetics ointments medicines active substances auxiliary humectants active ingredients binding agents emolients cosmetics
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