CYPHOS® IL 541W is a 50% solution of triethyl(octyl) phosphonium chloride in water. With high thermal stability, large liquid range and solubility in a variety of common organic solvents this phosphonium ionic liquid can be employed in many different applications.


  • CAS number
  • Global Business Unit
    Technology Solutions
  • Brand


Segments Applications
Chemical Industry Chemical Production

Chemical categories

Chemical category Chemical family Chemical product
Phosphorus Specialties Phosphonium Salts Phosphonium ionic liquids

Region of commercial availability

  • Asia / Pacific
  • Europe / Middle East / Africa
  • North America
  • Latin America

Download documentation for CYPHOS® IL 541W Versatile Phosphonium Ionic Liquid