WHMIS (Activated charcoal)

Workplace Hazardous Materials Information System

WHMIS 2015 classification - Note to reader
Update: 2015-12-01

  • Self-heating substances and mixtures - Category 21
  • Combustible dusts - See comments below2

  • WHMIS 2015 pictogram : Flame


Self-heating in large quantities; may catch fire (H252)

Ingredient disclosure


This product may contain more than 0.1% silica - crystalline. If this is the case, please refer to its classification.

This product could belong to the hazard class "Combustible dust", based on various factors related to the combustibility and explosiveness of its dust, including composition, shape and size of the particles.


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