NFPA 704 Hazard Diamond Guide | Chemical Safety Symbol Explained #2218558 (License: Personal Use)

This image displays the NFPA 704 “fire diamond,” a standardized system for identifying hazardous materials by color-coded quadrants: red (flammability), blue (health hazard), yellow (instability/reactivity), and white (special hazards like oxidizers or water-reactive substances). Each quadrant is rated 0-4, with 4 indicating the highest risk. The symbol is widely adopted in laboratories, manufacturing, and emergency response settings.

Used on chemical labels, safety data sheets (SDS), facility signage, and emergency response guides to quickly convey hazard information to workers, first responders, and inspectors. Matches user intent for safety training, regulatory compliance, or hazard identification reference.