


There are 4 categories in the Acute toxicity hazard class, but the skull and crossbones pictogram is only assigned to 3 categories for each route of exposure: This hazard class is different than other hazard classes because it individually considers each applicable route of exposure - oral (swallowed or ingested), dermal (skin contact) and inhalation (breathing). Only one WHMIS 2015 hazard class uses the skull and crossbones pictogram – Acute toxicity. Which hazard classes use the skull and crossbones pictogram? Back to top Hazardous products with this pictogram can be safely worked with if proper storage and handling practices are followed.

The symbol indicates that hazardous products with this pictogram can cause death or poisoning. The symbol within the pictogram is a human skull with two crossed bones behind it. You are here: How to Work Safely with - Hazardous Products using the "Skull and Crossbones" Pictogram
