WHMIS (Sodium hydroxide 50 % in aqueous solution)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader

• 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

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.