Which UN Hazard Class would be assigned to a substance that is a strong oxidizer?

A substance that is classified as a strong oxidizer fits into the UN Hazard Class 5. This classification is specifically designated for oxidizing substances and organic peroxides, indicating that these materials can readily yield oxygen and promote combustion in other materials. Strong oxidizers are often involved in reactions that generate heat and can increase the risk of fire if they come into contact with combustibles.

These substances assist in sustaining combustion and can be dangerous when improperly handled or stored, thus necessitating specific labeling and handling precautions according to their associated hazards. Understanding this classification helps emergency personnel and others in ensuring safety when dealing with such materials, making it crucial for effective risk management and response planning in fire and emergency services.