Cytec has over 75 years experience in the research and manufacture of phosphine and phosphorus specialties. If it can be made from PH₃ or PCl₃ , Cytec has the expertise and experience to make it happen. (More)

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Phosphine Technology Cytec is the global leader in the manufacture of phosphine and alkylphosphine derivatives. To explore this technology, click here.	Phosphorus Specialties Technology Cytec has more than 50 years of experience in the manufacture of chlorophosphines and phosphorus specialties. To see some of the breadth of our technology, click here .
Featured product CYTOP® 340 organophosphine (tri-n-butyl phosphine) is an extremely versatile reagent used a variety of applications, such as the synthesis of specific Wittig reagents, as a processing aid to replace triphenylphosphine in Staudinger and Mitsunobu reactions and as a catalyst ligand for Heck and Suzuki coupling reactions. Learn more about CYTOP 340® organophosphine.	Ask the Expert Do you have a question about phosphine or chlorophosphine chemistry? How about one on an application that you think may present an opportunity to take advantage of the chemistry's unique features? Write us here and we'll answer you!