Which class of hazardous material is characterized by its explosive nature?

Class 1 is designated for explosive materials, which are substances that can undergo a rapid chemical reaction producing gas and heat. This class includes various categories such as dynamite, fireworks, and certain types of ammunition. Explosives are defined by their ability to create an explosion, which involves a sudden release of energy, pressure wave, and often a significant increase in temperature. Understanding the characteristics of Class 1 materials is crucial for handling and transporting them safely, as they pose significant risks in terms of potential for accidents, unintended detonations, and environmental hazards. Recognizing the unique properties and handling requirements associated with explosive materials ensures that safety protocols are strictly adhered to in compliance with DOT regulations.