Placard library
Every hazard class and division with its placard table and study notes.
Placard images are simplified study illustrations, NOT official placards. Always follow 49 CFR Part 172 and use approved placards.
| Class | Name | Table | Hazard | |
|---|---|---|---|---|
 | 1.1 | Explosives 1.1 — mass explosion hazard | 1 | Explosives with a mass explosion hazard (affects almost the entire load instantly). |
 | 1.2 | Explosives 1.2 — projection hazard | 1 | Explosives with a projection hazard but not a mass explosion hazard. |
 | 1.3 | Explosives 1.3 — fire hazard | 1 | Explosives with a fire hazard and minor blast or projection hazard. |
 | 1.4 | Explosives 1.4 — minor explosion hazard | 2 | Explosives that present a minor explosion hazard. |
 | 1.5 | Explosives 1.5 — very insensitive | 2 | Very insensitive explosives (blasting agents) with a mass explosion hazard. |
 | 1.6 | Explosives 1.6 — extremely insensitive | 2 | Extremely insensitive articles with no mass explosion hazard. |
 | 2.1 | Flammable gas | 2 | Gases that ignite easily, such as propane. |
 | 2.2 | Non-flammable gas | 2 | Compressed gases that are not flammable or poisonous, such as nitrogen. |
 | 2.3 | Poison gas | 1 | Gases that are toxic by inhalation. |
 | 3 | Flammable liquid | 2 | Liquids with a flash point of not more than 60 °C (140 °F), such as gasoline. |
 | Comb. | Combustible liquid | 2 | Liquids with a flash point above 60 °C (140 °F) and below 93 °C (200 °F), such as some fuel oils. |
 | 4.1 | Flammable solid | 2 | Solids that ignite easily or may cause fire through friction. |
 | 4.2 | Spontaneously combustible | 2 | Materials that can ignite on their own when exposed to air. |
 | 4.3 | Dangerous when wet | 1 | Materials that give off flammable or toxic gas when wet. |
 | 5.1 | Oxidizer | 2 | Materials that give off oxygen and can cause or intensify fire. |
 | 5.2 | Organic peroxide | 2* | Organic compounds that are thermally unstable and may decompose violently. |
 | 6.1 | Poison / toxic | 2* | Toxic materials other than gases. |
 | 7 | Radioactive | 1* | Radioactive materials. |
 | 8 | Corrosive | 2 | Materials that destroy skin or corrode steel, such as many acids. |
 | 9 | Miscellaneous dangerous goods | 2 | Materials that present a hazard in transport but do not meet other class definitions. |
 | Mixed | DANGEROUS (mixed loads) | 2 | May be used instead of separate Table 2 placards when a vehicle carries two or more categories of Table 2 materials. |