These are substances that if swallowed, inhaled, or come into contact with skin are liable to cause death, serious injury, or to harm human health. The words "toxic" and "poisonous" are synonyms.


Division 6.1 substances can be in UN Packing Groups I, II, or III.

NOTE: while the use of the skull and crossbones is universally used in the labelling of substances of Division 6.1, the label for substances imported from USA may display the word "POISON" or "PG III" (for substances in Packing Group III) instead of "TOXIC" which is otherwise the single standard for the rest of the world.



  • Packing group I: Substances and preparations presenting a very severe toxicity risk

  • Packing group II: Substances and preparations presenting a serious toxicity risk


  • Packing group III: Substances and preparations presenting a relatively low toxicity risk.

Commonly Transported Division 6.1 substances:

  1. Acids

  2. Alkaloids

  3. Aluminium phosphide (in waxed pellet form)

  4. Arsenics / arsenic compounds

  5. Barium compounds

  6. Beryllium / beryllium compounds

  7. Carbamate pesticides, Solid, Toxic

  8. Cadmium compound

  9. Chloroform

  10. Cresols

  11. Cyanides

  12. Cytotoxic waste

  13. Dichloromethane (degreaser, paint stripper, plastic welding adhesive, etc)

  14. Dyes

  15. Lead compounds

  16. Mercury compounds

  17. Methylene Chloride (paint stripper)

  18. Nicotine / nicotine compounds

  19. Ortho-dichlorobenzene (paint stripper, degreaser)

  20. Perchloroethylene (film cleaning fluid)

  21. Phenol (carbolic acid)

  22. Potassium Fluoride (solid)

  23. Resorcinol (acne cream)

  24. Selenium compounds

  25. Tear gas substances

  26. Tetrachloroethylene (dry cleaning fluid)

  27. Thiols (natural gas odourizers)

  28. Trichloroethylene