Which class of hazardous materials is associated with flammable liquids?

Flammable liquids are classified under Class 3 of hazardous materials. This classification encompasses liquids that have a flash point of not more than 60 degrees Celsius (140 degrees Fahrenheit). The significance of this classification is that flammable liquids can easily ignite and pose a serious fire hazard in various contexts, including transportation and storage.

Class 1 pertains to explosives, which are substances that can detonate or explode under certain conditions. Class 5 involves oxidizers and organic peroxides, which can greatly enhance the combustion of other materials but are not themselves classified as flammable liquids. Class 7 is designated for radioactive materials, which have entirely different hazards associated with them. Understanding these classifications is crucial for safety procedures, emergency responses, and compliance with regulations regarding hazardous materials.