Which type of hazard is indicated by a yellow triangle on the NFPA label?

The yellow triangle on the NFPA (National Fire Protection Association) label specifically indicates reactivity hazards. This classification is crucial for first responders and personnel working with hazardous materials, as it provides key information about the potential risks associated with the chemical. A reactivity hazard signifies that the material may undergo violent reactions under specific conditions, such as exposure to heat, shock, or organic materials.

In the context of safety protocol, knowing that a substance has reactivity hazards aids in planning appropriate response strategies, storage methods, and handling precautions to prevent dangerous incidents.

The other categories on the NFPA label are represented by different colors: blue for health hazards, red for flammability hazards, and white for specific hazards. Each color helps create a clear, standardized communication tool for identifying the various types of hazards present with a particular substance. This color coding allows for quick assessments during emergency situations, emphasizing the importance of recognizing and understanding these symbols.