CYPHOS® 442W is an aqueous solution of a phosphonium salt with high thermal stability and solubility in many common solvents. It has demonstrated use in additives in ethylene-vinyl acetate copolymers in rubber, curable thermosetting, extraction applications from waste and recyclability, denitrogenation of diesel fuel, and organic transformation catalysis.


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Segments Applications
Pharmaceuticals Reagents & Catalyst
Segments Applications
Chemical Industry Catalyst

Chemical categories

Chemical category Chemical family Chemical product
Phosphorus Specialties Phosphonium Salts Tetrabutylphosphonium bromide

Region of commercial availability

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

Download documentation for CYPHOS® 442W Versatile Phosphonium Salt