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DOT Hazardous Material Labels

DOT Hazardous Material Labels

Place these on shipments containing hazardous materials to warn workers of risks and communicate special handling instructions.

Class 1: Explosives

Use these placards when transporting explosive substances, such as ignitors, flares, primers, and blasting agents.

Class 2: Gases

Mark vehicles transporting flammable, nonflammable, and poisonous gases, as well as oxygen with these placards. Common items include aerosols, lighters, fire extinguishers, natural gas, and petroleum gas.

Class 3: Flammable Liquids

Display these placards on vehicles carrying flammable liquids, such as gasoline, alcohol, kerosene, ethanol, and paints.

Class 4: Flammable Solids

Indicate when vehicles are transporting flammable solids or materials that are liable to spontaneous combustion, such as matches, carbon, metal powders, and oily fabrics.

Class 5: Oxidizing Agents & Organic Peroxides

Use when transporting oxidizers and organic peroxides, such as chemical oxygen generators, chlorates, nitrates, and hydrogen peroxide to communicate the unstable, combustible nature of these materials.

Class 6: Toxic & Infectious Substances

Identify vehicles that are carrying medical waste, acids, pesticides, dyes, and other poisons or infectious substances.

Class 7: Radioactive Substances

Mark transport vehicles with radioactive materials, such as yellowcake, medical isotopes, density gauges, and mixed fission products.

Class 8: Corrosive Substances

These placards identify vehicles that are transporting corrosive substances that can dissolve organic tissue or corrode metals, such as batteries and battery fluid, paints, dyes, and fuel cell cartridges.

Class 9: Miscellaneous

The symbols on these placards convey warnings about hazardous substances in transit that are not defined by other classes, such as dry ice and asbestos.


Identify cleaned containers or packages that no longer contain hazardous materials.

Limited Quantities

Mark shipments containing small quantities of hazardous materials or dangerous goods so they adhere to hazmat shipping requirements.

Marine Pollutant

Indicate shipments that contain hazardous chemicals that can be potentially harmful to water sources and aquatic life.


Alert shipping personnel to hazardous products that cannot be transported on aircraft with passengers.