WHMIS (Potassium bromate)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2016-07-19

  • Oxidizing solids - Category 21
  • Acute toxicity - oral - Category 32 3
  • Germ cell mutagenicity - Category 24 5 6 7 8
  • Carcinogenicity - Category 25

  • WHMIS 2015 pictogram : Flame over circle

  • WHMIS 2015 pictogram : Skull and crossbones

  • WHMIS 2015 pictogram : Health hazard


May intensify fire; oxidizer (H272)
Toxic if swallowed (H301)
Suspected of causing genetic defects (H341)
Suspected of causing cancer (H351)

Ingredient disclosure


  • ▲1.  Canada. Ministère des transports, Règlement sur le transport des marchandises dangereuses. Ottawa : Éditions du gouvernement du Canada. (2014). [RJ-410222]   http://www.tc.gc.ca/fra/tmd/clair-menu-497.htm
  • ▲2.  ECHA (European Chemicals Agency) , Information on Chemicals (REACH). Helsinki, Finland.   http://echa.europa.eu/information-on-chemicals/registered-substances
  • ▲3.  National Institute for Occupational Safety and Health, RTECS (Registry of Toxic Effects of Chemical Substances). Hamilton (Ont) : Canadian Centre for Occupational Health and Safety.   http://ccinfoweb.ccohs.ca/rtecs/search.html
  • ▲4.  National Library of Medicine, The Hazardous Substances Data Bank (HSDB). Hamilton (Ont.) : Canadian Centre for Occupational Health and Safety.   http://www.ccohs.ca/
  • ▲5.  IARC Working group on the Evaluation of Carcinogenic Risks to Humans, Some chemicals that cause tumours of the kidney or urinary bladder in rodents and some other substances. IARC monographs on the evaluation of carcinogenic risks to humans, Vol. 73. Lyon : International Agency for Research on Cancer. (1999).   https://monographs.iarc.fr/wp-content/uploads/2018/06/mono73.pdf
  • ▲6.  Fischer, J.W. et al., «Trichloroethylene, trichloroacetic acid, and dichloroacetic acid : do they affect fetal rat heart development.» International Journal of Toxicology. Vol. 20, no. 5, p. 57-267. (2001).
  • ▲7.  «Final Report on the Safety Assessment of Sodium Bromate and Potassium Bromate.» Journal of the American College of Toxicology. Vol. 13, no. 5, p. 400-441. (1994). [AP-046013]
  • ▲8.  Kimiko F. et al., «Acute Cytogenetic Effects of Potassium Bromate on Rat Bone Marrow Cells In Vivo.» Mutation Research. Vol. 206, p. 455-458. (1988).

The [number] refers to the Information SST database of the CNESST Documentation Center.