OSHA Hazard Communication Standard – Pictograms Explained

Posted on: February 22, 2019

The U.S. Occupational Safety and Health Administration (OSHA) requires product labels to be marked with pictograms to alert users of any potential chemical hazards. The hazard classification determines which pictogram must be displayed on the label. Below we have gathered some quick definitions of the hazard pictogram meanings.

Included in this infographic:

  • Health Hazard
  • Flame
  • Exclamation Mark
  • Gas Cylinder
  • Corrosion
  • Exploding Bomb
  • Flame over circle
  • Skull and crossbones
  • Environment

List of OSHA Hazard Communication Standard pictograms and their uses - learn more at

Download a PDF of the image above.

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