WHMIS (Potassium hydroxide)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• Acute toxicity - oral - Category 31

• Skin corrosion/irritation - Category 12 3
• Strong base: pH of a 0.561% solution = 13.5-14

• Serious eye damage/eye irritation - Category 12 3

Danger

Toxic if swallowed (H301)
Causes severe skin burns and eye damage (H314)

Ingredient disclosure

Comments4 : 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.  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
• ▲3.  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
• ▲4.  Pruett, K.M., Chemical resistance guide for metals and alloys. La Mesa, Calif. : Compass Publications. (1995). [MO-026081]   http://www.compasspublications.com/

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