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Kolliphor EL is a non-ionic solubilizer and emulsifier made by reacting castor oil with ethylene oxide in a molar ratio of 1:35. It is a pale yellow oily liquid that is clear at temperatures above 26 °C. It has a faint but characteristic odor. It forms clear solutions in water. It is also soluble in many organic solvents, e.g. ethyl alcohol, n-propyl alcohol, isopropyl alcohol, ethyl acetate, chloroform, carbon tetrachloride, trichloroethylene, toluene and xylene.


  • Widely used and fully approved solubilizer
  • Good compatibility with other ingredients


Emulsifiers / Surfactants, Solubilizers

Technical Overview

Compendial Name

Macrogolglycerol ricinoleate, Macrogolglyceroli ricinoleas, Polyoxyl 35 Castor Oil

Region of Manufacture


Package Size

  • 0,5KG Plastic bottle
  • 60KG Steel drums
  • 5KG Plastic jerrycans

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