Hazardous Cargo

The International Maritime Dangerous Goods (IMDG) defines hazardous materials as those that fall into the following classes:

Table 1 – Classification UN Risks of Hazardous
Classification Subclass Definitions
Class 1 1.1 Substance and articles with risk of mass explosion.
Explosives 1.2 Explosives Substance and articles with a projection hazard but not a mass explosion hazard.
  1.3 Substances and articles which have a fire hazard and with little risk of explosion or projection, or both, but not a mass explosion hazard.
  1.4 Substance and articles which present no significant hazard.
  1.5 Very insensitive substances with a mass explosion hazard;
  1.6 Extremely insensitive articles with no mass explosion hazard.
Class 2 2.1 gases combustible gases that are at 20 ° C under normal pressure are flammable when mixed 13% or less by volume with air or which have flammable range with air of at least 12%; regardless of the lower flammable limit.
Gases 2.2 Greenhouse gases non-flammable, non-toxic: are asphyxiating gases, oxidizing or not fitting into another subclass.
  2.3 Toxic gases: gases are admittedly or supposedly toxic and corrosive constituting risk to people's health.
Class 3 - Flammable Liquids: they are liquids, mixtures of liquids or liquids containing solids in solution or suspension, producing flammable vapor at temperatures up to 60.5 ° C in a closed vessel test, or to 65.6 ° C in assay vessel open, or liquid explosives desensitized dissolved or suspended in water or other liquid.
Flammable Liquids
Class 4 4.1 Flammable solids, self-reactive substances and solid desensitized explosives: solids, under comparable transport conditions, are readily combustible, or may cause fire through friction or contribute to such; self-reactive substances which may undergo strongly exothermic reaction; solid desensitized explosives which may explode if not diluted sufficiently.
Sólidos Inflamáveis; Substâncias sujeitas à combustão espontânea; substâncias que, em contato com água, emitem gases inflamáveis 4.2 Substâncias sujeitas à combustão espontânea: substâncias sujeitas a aquecimento espontâneo em condições normais de transporte, ou a aquecimento em contato com ar, podendo inflamar-se.
  4.3 Substances which, in contact with water, emit flammable gases are substances which, by interaction with water, are liable to become spontaneously flammable or release flammable gases in dangerous quantities.
Classe 5 5.1 Oxidizing substances: substances which can generally by releasing oxygen, causing the combustion of other materials or contribute to it.
Oxidizing Substances and Organic Peroxides
Classe 5 5.2 Organic peroxides Class 5: powerful oxidizing agents are considered as derivatives of hydrogen peroxide, thermally unstable which may undergo exothermic self-accelerating decomposition.
Oxidizing Substances and Organic Peroxides
Classe 6 6.1 Toxic Class are substances capable of causing death, serious injury or harm to human health if inhaled or ingested, or come into contact with skin.
Toxic Substances and Infectious Substances 6.2 Infectious substances: are substances that contain or may contain pathogens capable of causing infectious diseases in humans or animals.
Classe 7 - Any material or substance containing radionuclides the activity concentration and the total activity in the consignment (radiation), exceed the specified values.
Radioactive Material
Classe 8 - A re substances which, by chemical action, cause severe damage when in contact with living tissue, or, in case of leakage, damage, or even destroy other loads or the vehicle itself.
Classe 9 - Those who have, during transport, a risk not covered by any of the other classes.
Substâncias e Artigos Perigosos Diversos

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