• Fahad Gohar

Global Harmonization


The HCS 2012 is now aligned with the United Nations Globally Harmonized System of Classification and Labeling of Chemicals (GHS) that provides many benefits, including:

  • Providing a common and coherent approach to classifying chemicals and communicating hazard information on labels and safety data sheets

  • Improving the quality and consistency of hazard information in the workplace

  • Helping reduce trade barriers

  • Productivity improvements for businesses that regularly handle, store, and use classified hazardous chemicals;

  • Providing cost savings for businesses that periodically update safety data sheets and labels for classified chemicals.

Hazardous Substances and Chemicals Types

Physical hazards - a chemical that is classified as posing one of the following hazardous effects:

· explosive

· flammable (gases, aerosols, liquids, or solids)

· oxidizer (liquid, solid or gas)

· self-reactive; pyrophoric (liquid or solid)

· self-heating

· organic peroxide

· corrosive to metal

· gas under pressure or

· in contact with water emits flammable gas

Health hazard - a chemical which is classified as posing one of the following hazardous effects:

· acute toxicity (any route of exposure)

· skin corrosion or irritation

· serious eye damage or eye irritation

· respiratory or skin sensitization

· germ cell mutagenicity

· carcinogenicity

· reproductive toxicity

· specific target organ toxicity (single or repeated exposure) or

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