DOT Labels & Placards
DOT Labels are hazard communication labels required by the U.S. Department of Transportation (DOT) for shipping hazardous materials. These labels promote safety by clearly identifying the type of hazard a substance presents during transport. All DOT labels must comply with 49 CFR Part 172, Subpart E, which specifies regulations for size, color, design, and hazard classification.
We have all sizes and can fill all needs.
At C4 Label Solutions, we specialize in keeping your operation compliant, safe, and professional with every size and type of Hazmat and Hazardous DOT label or placard you need. Whether you’re labeling drums, tankers, or shipping containers, our products are engineered for durability, visibility, and regulatory accuracy—built to withstand the toughest transport and industrial conditions. From biohazard and flammable to corrosive and toxic, we deliver high-quality, ready-to-ship labels that help your business stay on the move and up to code.
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Class 1 – Explosives (Orange Placards)
1.1: Mass explosion hazard
1.2: Projection hazard
1.3: Fire and/or minor blast hazard
1.4: Minor explosion hazard
1.5: Very insensitive explosives
1.6: Extremely insensitive articles -
Class 2 – Gases (Green / Red / Yellow Placards)
2.1: Flammable gases (e.g., propane, hydrogen)
2.2: Non-flammable, non-toxic gases (e.g., nitrogen, carbon dioxide)
2.3: Toxic gases (e.g., chlorine, phosgene) -
Class 3 – Flammable Liquids (Red Placards)
Includes gasoline, ethanol, acetone, etc.
Liquids with a flash point ≤ 140°F (60°C)
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Class 4 – Flammable Solids (Red & White or Blue Placards)
4.1: Flammable solids (e.g., matches, sulfur)
4.2: Spontaneously combustible materials (e.g., phosphorus)
4.3: Dangerous when wet (e.g., sodium, lithium) -
Class 5 – Oxidizers & Organic Peroxides (Yellow or Yellow/Red Placards)
5.1: Oxidizers (e.g., ammonium nitrate)
5.2: Organic peroxides (e.g., benzoyl peroxide) -
Class 6 – Toxic & Infectious Substances (White Placards)
6.1: Toxic substances (e.g., cyanide)
6.2: Infectious substances (e.g., biomedical waste)
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Class 7 – Radioactive Materials (Yellow & White Placards)
Includes uranium, plutonium, medical isotopes, etc.
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Class 8 – Corrosives (Black & White Placards)
Materials that cause severe tissue damage or corrode metals (e.g., acids, alkalis)
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Class 9 – Miscellaneous Dangerous Goods (White & Black Stripes)
Materials presenting a hazard not covered in other classes (e.g., lithium batteries, dry ice, environmentally hazardous substances)