Explosives shipping classification system

The matrix of the various United Nations Explosives shipping classification system and typical uses. Each classification consists of a Class Number that indicates the shipping hazard and a Compatibility group suffix describing the type of material in general. This is not to be relied upon for the United States:

Compatibility Groups -->	Primary explosive substance A	Article, primary explosive, without two protective features B	Propellant C	Aricle, Secondary Explosive or primary explosive with two protective features D	Pyrotechnics G	Extremely Insensitive N	Packed so as to not hinder near-by firefighters S
1.1 - Mass explosion Possible	1.1A Mercury Fulminate, Lead Azide Etc.	1.1B Blasting Caps	1.1C	1.1D Det. Cord, Blasting Explosives	1.1G Flash Powder, Bulk Salutes
1.2 - Projecton but not mass explosion		1.2B	1.2C	1.2D	1.2G Fireworks (Rare)
1.3 - Fire, minor blast			1.3C		1.3G Display Fireworks
1.4 - Minor explosion hazard.		1.4B Blasting Caps	1.4C	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 insenstive, no mass explosions						1.6N