Pictograms are symbols used to visually represent the hazards of a substance, such as a flame for a flammable substance or a skull and crossbones for a toxic substance.

What are the differences between the COSHH symbols? Explosives (Symbol: bomb exploding) Flammable (Symbol: open flame) Oxidising (Symbol; open flame over a circle) Gases under pressure (Symbol: gas cylinder) Corrosive (Symbol: corrosion on hands and surface) Toxic (Symbol: skull and crossbones) Health hazards (Symbol: exclamation mark) Serious health hazards (Symbol: internal damage)

Physical Hazard Pictogram Meanings Corrosive GHS Symbol The corrosive GHS pictogram represents substances that eat away at a material when they make contact. Explosive GHS Symbol The explosive GHS pictogram marks a chemical as unstable and capable of causing a fire or explosion. Flammable GHS Symbol The flammable GHS pictogram is used on chemicals that emit flammable gas or could self-ignite when exposed to water or air.