Explosives shipping classification system
A matrix of the United Nations explosives shipping classification system and examples of typical materials. Each classification consists of a Sub Class Number that indicates the type of hazard and a Compatibility group suffix describing which types of product may inhabit the same means of containment.[1]
Classes
    
| A
 Primary explosive substance  | 
B
 Article, primary explosive, without two protective features  | 
C
 Propellant  | 
D
 Article, Secondary Explosive or primary explosive with two protective features  | 
E
 Article with Secondary Explosive, not self initiating, with propelling charge  | 
F
 Article with Secondary Explosive, self initiating  | 
G
 Pyrotechnics  | 
H
 Containing White Phosphorus  | 
J
 Containing a flammable liquid or gel  | 
K
 Containing a toxic substance  | 
L
 Presenting a special risk requiring isolation  | 
N
 Extremely Insensitive  | 
S
 Packed so as to not hinder near-by firefighters  | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.1 
 Mass explosion Possible  | 
1.1A
 Mercury fulminate, Lead azide Etc.  | 
1.1B | 1.1C | 1.1D
 Detonating cord, explosive boosters, blackpowder, most secondary explosives  | 
1.1E | 1.1F | 1.1G
 Flash powder, Bulk Salutes, very large fireworks  | 
1.1J
 Liquid fuelled cruise missiles and torpedoes, incendiary bombs  | 
|||||
| 1.2
 Projection but not mass explosion  | 
1.2B
 Detonating fuzes  | 
1.2C
 Rocket motors, propelling charges  | 
1.2D
 Hand grenades, shaped charges  | 
1.2E
 Rockets with bursting charges  | 
1.2G
 Large fireworks, practice grenades  | 
1.2H
 White phosphorus grenades  | 
1.2K
 Chemical shells  | 
1.2L
 Hypergolic fuelled rocket motors  | 
|||||
| 1.3
 Fire, minor blast  | 
1.3C
 Smokeless powder, rocket motors  | 
1.3F
 Fuzed hand grenades  | 
1.3G
 Display Fireworks, smoke grenades, flares  | 
1.3H | 1.3L
 Hypergolic fuelled rocket motors  | 
||||||||
| 1.4
 Minor explosion hazard.  | 
1.4B
 Blasting Caps  | 
1.4C
 Model rocket motors  | 
1.4D
 Det. Cord  | 
1.4G
 Consumer Fireworks, Proximate Pyro  | 
1.4S
 Proximate Pyro, Blasting Caps, Small Arms Ammunition  | ||||||||
| 1.5
 Blasting Agent, very insensitive  | 
1.5D
 Blasting Agents  | 
||||||||||||
| 1.6
 Explosives, extremely insensitive, no mass explosions  | 
1.6N | 
Compatibility Groups
    

| Compatibility Groups | Can Be Shipped With: | 
|---|---|
| A | A | 
| B | B, S | 
| C | C, D, E, N, S | 
| D | C, D, E, N, S | 
| E | C, D, E, N, S | 
| F | F, S | 
| G | G, S | 
| H | H, S | 
| J | J, S | 
| K | K, S | 
| L | L | 
| N | C, D, E, N, S | 
| S | B, C, D, E, F, G, H, J, K, N, S | 
Links
    
- INTERNATIONAL AMMUNITION TECHNICAL GUIDELINE (IATG) 01.50, UN explosive hazard classification system and codes, Second edition, 2015-02-01
 - Transport Canada, Transportation of Dangerous Goods Regulations
 - Transport Canada, Statutory Instruments (Regulations) SOR/2008-34
 - Australian Code for the Transport of Explosives by Road or Rail - Third Edition