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GHS Classification of Substances: An Introduction
Presenter:  CCOHS
Availability:  On demand – Watch it now

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Product Description

Learn about the classification system for the Globally Harmonized System of Chemical Classification and Labelling (GHS), understand how substances are classified according to the GHS, and get guidance on how to assign GHS classifications to substances.

This webinar describes the GHS classification system as outlined in the "purple book"*, beginning with an introduction to the GHS classification "building blocks" and classification principles. You will be lead through a 3-step GHS classification process where you will learn the types of data that can be used to support a GHS hazard classification, the need to review hazard data for reliability and relevance, and how to make a classification decision. A helpful list of classification resources is also provided.

Topics include:

  • GHS "Building Blocks"
    • Hazard groups, classes and categories
  • GHS Classification Principles
    • Self-classification, hazard vs. risk, use of existing data
  • GHS Classification Process
    • Step 1 - Identify relevant hazard data
    • Step 2 - Review hazard data
    • Step 3 - Assign hazard class and category
  • GHS Classification Resources

*Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations

You may also be interested in the other webinars in our series on GHS classification and labelling:

Target Audience

This webinar is intended for individuals who are charged with classifying products according to GHS.

Length: 56 minutes

This webinar was recorded in December 2013.

For a PDF copy of the presentation slides, please contact

System Requirements

You must have Windows Media 9.0 or higher to view the recorded webinar. You do not need a microphone or a telephone to listen to this webinar - just listen to the presentation through your computer's speakers or headphones.

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