Cargo Classification

Class 2: Gases

Gases which are compressed, liquefied or dissolved under pressure as detailed below. Some gases have subsidiary risk classes; poisonous or corrosive.

  • 2.1 Flammable Gas: Gases which ignite on contact with an ignition source, such as acetylene and hydrogen.
  • 2.2 Non-Flammable Gases: Gases which are neither flammable nor poisonous. Includes the cryogenic gases/liquids (temperatures of below -100°C) used for cryopreservation and rocket fuels, such as nitrogen and neon.
  • 2.3 Poisonous Gases: Gases liable to cause death or serious injury to human health if inhaled; examples are fluorine, chlorine, and hydrogen cyanide.
Hazardous Materials
Class 2.1: Flammable Gas
Hazardous Materials
Class 2.2: Nonflammable Gas
Hazardous Materials
Class 2.3: Poisonous Gas

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