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What are Dangerous Goods?

Are substances, mixtures, or articles that are considered dangerous (and thus regulated) for transportation. “Dangerous Goods (DG)” is the term most frequently used internationally. In the United States, the more common term is “Hazard Materials (HazMat)”.

Transportation regulations are typically based on the UN “Orange Book” – the UN Recommendations on the Transport of Dangerous Goods. Criteria exist for nine primary hazard classes:

  1. Explosives
  2. Gases
  3. Flammable Liquids (includes Combustible Liquids in North America)
  4. Flammable Solids, Spontaneously combustible, Dangerous when wet
  5. Oxidizing Agents and Organic Peroxides
  6. Toxic and Infections Substances
  7. Radioactive Substances
  8. Corrosive Substances
  9. Miscellaneous (materials that do not fit into other classes, such as asbestos, environmental hazards [marine pollutants], dry ice, etc.)


ChemADVISOR Services in Support of DG


ChemADVISOR is able to offer assistance to cover all aspects of safely transporting dangerous goods around the globe including:

  • Classification
  • Proper shipping name determination
  • Labeling
  • Placarding and marking of packages
  • Package selection


In addition, ChemADVISOR can help clients respond to inquiries from customs, and customers as well as provide assistance in response to enforcement inquiries and response to notices of possible violations of the hazardous materials regulations up and down your supply chain.

ChemADVISOR experts (including resources with Dangerous Goods Safety Advisor (DGSA) certification) can assist with navigating the regulatory differences between all major modes of transport as well as the various regional transport authorities, including:

  • UN Recommendations on Transport of Dangerous Goods (UNRTDG)
  • Australian Dangerous Goods Code (ADG)
  • Canada Transport of Dangerous Goods (TDG)
  • Europe
    • European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR)
    • European Agreement concerning the International Carriage of Dangerous Goods by Inland Waterways (ADN)
    • European Agreement concerning the International Carriage of Dangerous Goods by Rail (RID)
  • China
    • Civil Aviation Dangerous Goods Transportation
    • Maritime Traffic Safety Law
    • Waterway Transport Code for Dangerous Goods
    • Rules for Road Transport of Dangerous Goods
  • Japan Ship Security Assessment (JP SSA)
  • Mexico Hazardous Materials Standards (NOMs)
  • United States
    • Hazardous Materials Regulations (HMR)
    • Air Force Manual (AFMAN)
  • Air
    • International Air Transport Authority (IATA)
    • International Civil Aviation Organization (ICAO)
  • Vessel
    • International Maritime Dangerous Goods Code (IMDG)


NOTE: Just like the chemicals themselves, packaging materials may be otherwise regulated in various regions around the world (ex. REACH).