Freeport McMoRan Climax MolybdenumClimax Molybdenum Company, a subsidiary of Freeport-McMoRan, is the world's leading producer of molybdenum chemical products. The following chemical products are produced at one or more of our manufacturing operations in Fort Madison, Iowa; and Rotterdam, The Netherlands.

  • Ammonium Heptamolybdate
  • Ammonium Octamolybdate
  • Ammonium Dimolybdate
  • Calcined Pure Molybdic Oxide
  • Sublimed Pure Molybdic Oxide
  • Sodium Molybdate
  • Molybdenum Disulfide

Our rhenium products (chemical and metallurgical) are produced at Green Valley, Arizona.

  • Ammonium Perrhenate
  • Rhenium pellets

Molybdenum chemicals feature in a wide variety of applications including:

  • Catalysts
  • Metal Products (Sinter)
  • Lubricants
  • Corrosion Inhibitors
  • Smoke Suppressants
  • Pigments


For information on specifications, packaging, price and availability please contact one of the listed sales offices or email us at