Hazardous Classification

Dangerous goods are classifed into 9 classes and have different characteristics which are listed below.

 

 

Class 1 - Explosives

Class 1 - EXPLOSIVES

Explosive substances and articles used to produce explosions or pyrotechnic effect.

This class is sub-divided into Class 1.1 (TNT, ANFO); Class 1.2 (bombs, grenades); Class 1.3 (display fireworks); Class 1.4 (toy fireworks); Class 1.5 (proprietary explosives)

Class 2 - Flammable Gases

Class 2 - GASES

Gases which are compressed, liquefied or dissolved under pressure.

This class is sub-divided into Class 2.1 Flammable gases (acetylene, hydrogen, LPG); Class 2.2 Non-Flammable Non-Toxic gases (nitrogen, carbon dioxide, liquid oxygen,medical air); Class 2.3 Toxic gases (ammonia, chlorine)

Class 3 - Flammable Liquids

Class 3 - FLAMMABLE LIQUIDS

Liquids which ignite on contact with ignition sources.

This class is sub-divided by Packaging Group I (greatest danger - ether); PG II (medium danger - petrol, alcohol, acetone, thinnersd); PG III (minor danger - kerosene, turpentine)

Class 4 - Flammable Solids

Class 4 - FLAMMABLE SOLIDS

Solids which are combustible or emit a flammable gas when wet.

This class is sub-divided into Class 4.1 Flammable solids (nitrocellulose, magnesium, sulpur, activated charcoal, phosphorus, matches); Class 4.2 Spontaneously Combustible (sodium sulphide); Class 4.3 Dangerous When Wet (calcium carbide, zinc, alkali metals)

Class 5 - Oxidizing Agents

Class 5 - OXIDISING AGENTS and ORGANIC PEROXIDES

This class is sub-divided into Class 5.1 Oxidising agents (pool chlorine, hydrogen peroxide, ammonium nitrate; Class 5.2 Organic peroxides (benzoyl peroxides, cumene hydroperoxide)

 

Class 6 - Toxic Substances

Class 6 -TOXIC SUBSTANCES

This class is sub-divided into Packaging Group I (sodium cyanide, lead compounds); PG II (aniline, arsenic, phenol, some pesticides); PG III (lead acetate, trochloroethylene, some pesticides)

 

Class 7 - Radioactive Substances

Class 7 - RADIOACTIVE SUBSTANCES

Radioactive substances comprise substances or a combination of substances which emit radiation. Examples are uranium and radioisotopes.

 

Class 8 - Corrosive Substances

Class 8 - CORROSIVE SUBSTANCES

This class is sub-divided into Packaging Group I (hydroflouric acid, nitric acid); PG II (hydrochloric acid, caustic soda); PG III (phosphoric acid, liquid chlorine)

 

Class 9 - Miscellaneous Dangerous Goods

Class 9 - MISCELLANEOUS DANGEROUS GOODS

Substances which present