WHMIS (Sodium hydroxide 50 % in aqueous solution)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2019-05-22

  • Skin corrosion/irritation - Category 11
    • Contains >= 1% of a base with a pH >= 11,5
  • Serious eye damage/eye irritation - Category 11
  • Specific target organ toxicity - single exposure (respiratory tract irritation) - Category 3 - Respiratory tract irritation

  • WHMIS 2015 pictogram : Corrosion

  • WHMIS 2015 pictogram : Exclamation mark

Danger

Causes severe skin burns and eye damage (H314)
May cause respiratory irritation (H335)

Ingredient disclosure

Comments2 : This product could be corrosive to metals, please contact the supplier for additionnal information.

References

  • ▲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.  National association of corrosion engineers, Corrosion data survey : metals section. 6th ed. Houston, Tex. : Nace Publications. (1985). [RT-439006]

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