Ammonium heptamolybdate

Ammonium heptamolybdate is a form of the metal molybdenum that is used in a variety of industries as well as a marker for detecting contact allergy to molybdenum.

Skin contact with ammonium heptamolybdate is required for it to cause a rash. Discontinuation of exposure to products containing ammonium heptamolybdate should result in improvement and/or resolution of your dermatitis. At work, request a Safety Data Sheet (SDS) to help identify potential sources of exposure.