WHMIS (Sodium bisulfite)

Workplace Hazardous Materials Information System

WHMIS 1988 classification - Note to reader

Uncontrolled product according to WHMIS classification criteria

Disclosure at 1,0% according to the Ingredient disclosure list

WHMIS 2015 classification - Note to reader
Update: 2015-08-25

  • Acute toxicity - oral - Category 41 2

  • WHMIS 2015 pictogram : Exclamation mark


Harmful if swallowed (H302)

Ingredient disclosure


The [number] refers to the ISST database of the CSST Documentation Center.