Quaternary Phosphonium Compounds

Evonik has a long experience in the manufacture of Quaternary Phosphonium Compounds on commercial and pilot scale, as well as high purity stable phosphoranes in salt-free form. We have a long track record of custom manufacturing from small quantities (for testing purposes, development projects, etc.) through multi–tonnes scale.

Our portfolio comprises the following classes of compounds:

• a) Alkyltriphenylphosphonium halides (Cl, Br, I)
• b) Alkyltriphenylphosphonium salts (-hydroxides, -acetates, -phosphates)
• c) Carboxyalkyltriphenylphosphonium halides
• d) Carboxyalkoxytriphenylphosphonium halides
• e) Stable phosphoranes (ylides) derived from a), c) or d).