Phosphine derivatives

FEBEX has successfully developed a whole range of products derived from phosphine.

Phosphine is a byproduct of the sodium hypophosphite reaction, used in a reaction with formaldehyde and either sulfuric acid or hydrochloric acid to produce THPS (tetrakis (hydroxymethyl) phosphonium sulfate) or THPC (tetrakis (hydroxymethyl) phosphonium chloride) respectively.

FEBEX is engaged in continuous R&D work to develop and improve new products taking into account new business developments and end-customer requirements.


  • Drums
  • IBCs


  • Biocide for oilfield and water treatment
  • Flame-retardant agents
  • Leather treatment
  • Paper pulp industry