The U. S. Department of Transportation (DOT) has specific rules for shipping hazardous materials. SunteckTTS can help you determine the DOT hazardous class for your shipment and find contract freight carriers that meet DOT safety and transportation requirements.

Hazardous materials are defined by the U. S. Department of Transportation in accordance with the Federal Hazardous Material Law regulations. A DOT hazardous material classification is applied if a material, in a particular amount and form, poses an unreasonable risk to health, safety or property.

Below is the list of DOT hazard classes:

DOT Hazard Class 1: Explosives.

Division 1.1: Explosives with a mass explosion hazard
Division 1.2: Explosives with a projection hazard
Division 1.3: Explosives with predominantly a fire hazard
Division 1.4: Explosives with no significant blast hazard
Division 1.5: Very insensitive explosives
Division 1.6: Extremely insensitive explosive articles

DOT Hazard Class 2: Gases.

Division 2.1: Flammable gases
Division 2.2: Non-flammable gases
Division 2.3: Poison gases
Division 2.4: Corrosive gases

DOT Hazard Class 3: Flammable liquids.

Division 3.1: Flashpoint below -18°C(0°F)
Division 3.2: Flashpoint below -18°C and above, but less than 23°C(73°F)
Division 3.3: Flashpoint 23°C and up to 61°C(141°F)

DOT Hazard Class 4: Flammable solids, spontaneously combustible materials, and materials that are


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