The categories of dangerous goods are:

• Class 1: Explosives
• Class 2: Gases
• Class 3: Flammable Liquids
• Class 4: Flammable Solids
• Class 5: Oxidizers and Organic Peroxides
• Class 6: Toxic & Infectious Substances
• Class 7: Radioactive Material
• Class 8: Corrosives
• Class 9: Miscellaneous e.g. Magnets – a danger to airplane equipment

The guidelines are available in the following links:

Dangerous Goods Regulations (DGR) – https://www.iata.org/publications/dgr/Pages/index.aspx

Live Animals Regulations (LAR) – https://www.iata.org/publications/Pages/live-animals.aspx

Perishable Cargo Regulations (PCR) – https://www.iata.org/publications/Pages/perishable-cargo.aspx

Lithium Battery Shipping Guidelines (LBSG) – https://www.iata.org/publications/Pages/lithium-battery-guidelines.aspx

The Air Cargo Tariff and Rules (TACT) – https://www.iata.org/publications/Pages/air-cargo-tariff.aspx