WHMIS (Potassium hydroxide 50% in aqueous solution)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Acute toxicity - oral - Category 41

• Skin corrosion/irritation - Category 11 2 3 4

• Serious eye damage/eye irritation - Category 11 2 4 5

• Health hazards not otherwise classified (corrosion) - Category 1

Danger

Harmful if swallowed (H302)
Causes severe skin burns and eye damage (H314)
Causes severe damage to the respiratory tract

Ingredient disclosure

Comments6 : This product could be corrosive to metals, please contact the supplier for additionnal information.

References

• ▲1.  OECD, «Potassium hydroxide CAS No: 1310-58-3.» In: OECD Screening Information Data Set (SIDS) for High Production Volume Chemicals. Bern, Switzerland : UNEP Publications. (2001).   http://www.chem.unep.ch/irptc/sids/OECDSIDS/POTASSIUMHYD.pdf
• ▲2.  France. Institut national de recherche et de sécurité, Fiche toxicologique no 35 : Hydroxyde de potassium et solutions aqueuses. Cahiers de notes documentaires. Paris : INRS. (2012). [RE-005509]   http://www.inrs.fr/publications/bdd/fichetox.html
  http://www.inrs.fr/publications/bdd/fichetox/fiche.html?refINRS=FICHETOX_35
• ▲3.  Nixon, G.A., Tyson, C.A. et Wertz, W.C., «Interspecies comparisons of skin irritancy.» Toxicology and Applied Pharmacology. Vol. 31, p. 481-490. (1975). [AP-020237]
• ▲4.  Bureau européen des substances chimiques, IUCLID Dataset: potassium hydroxyde. Commission européenne. (2000).   http://esis.jrc.ec.europa.eu/doc/IUCLID/datasheet/1310583.pdf
• ▲5.  Johnson G.T, Lewis T. R et Wagner W.D, «Acute toxicity of cesium and rubidium compounds.» Toxicology and Applied Pharmacology. Vol. 32, p. 239-245. (1975).
• ▲6.  Schweitzer, P.A., Corrosion resistance tables : metals, nonmetals, coatings, mortars, plastics, elastomers and linings, and fabrics. Vol. Part A, 5th ed. New York : Marcel Dekker, Inc. (2004). [RT-275008]   http://www,dekker.com

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