WHMIS (Ammonium monomolybdate)

Workplace Hazardous Materials Information System

WHMIS 1988 classification - Note to reader

Uncontrolled product according to WHMIS classification criteria

Disclosure at 1,0% according to the Ingredient disclosure list

Comments: The chemical identity and the concentration of this ingredient must be disclosed on the MSDS if it is present in a concentration equal to or greather than 1,0 % in a controlled product.

WHMIS 2015 classification - Note to reader
Update: 2015-12-16

  • Reproductive toxicity - Category 21 2 3 4 5
    • Toxic to the reproductive function

  • WHMIS 2015 pictogram : Health hazard


Suspected of damaging fertility or the unborn child (H361)

Ingredient disclosure

Comments: Due to the lack of data, classifications regarding toxic to reproduction (H361) was established by analogy to Sodium Molybdate.


  • ▲1.  Centre canadien d'hygiène et de sécurité au travail, CHEMINFO, Hamilton, Ont. : Canadian Centre for Occupational Health and Safety   http://ccinfoweb.ccohs.ca/cheminfo/search.html
  • ▲2.  Health council of the Netherlands, «Molybdenum and Molybdenum compounds. Health-based recommended occupationel exposure limit.» In: The Hague: Health Concil of the Netherlands. (2013).   http://www.gezondheidsraad.nl/sites/default/files/201330Molybdenum_.pdf
  • ▲3.  Jeter M.A. et Davis G.K., «The Effect of Dietary Molybdenum Upon Growth, Hemoglobin, Reproduction and Lactation in Rats.» The Journal of Nutrition. Vol. 54, no. 2, p. 215-220. (1954).   http://jn.nutrition.org/content/54/2/215.full.pdf
  • ▲4.  Pandey R. et Singh S.P., «Effects of Molybdenum on Fertility of Male Rats.» BioMetals. Vol. 15, p. 65-72. (2002). [AP-000935]
  • ▲5.  Meeker J.D. et al., «Cadmium, Lead and Other Metals in Relation to Semen Quality: Human Evidence for Molybdenum as a Male Reproductive Toxicants..» Environmental Health Perspectives. Vol. 116, no. 11, p. 1473-1479. (2008).

The [number] refers to the ISST database of the CSST Documentation Center.