NFPA 704 Hazard Diamond Explained - Health, Flammability, Instability & Special Hazards #131642 (License: Personal Use)

The image displays a standard NFPA 704 hazard identification diamond used in industrial and laboratory settings. The blue quadrant (left) shows “3”, indicating a severe health hazard; the red quadrant (top) shows “0”, meaning the substance is nonflammable; the yellow quadrant (right) shows “2”, denoting a material that is unstable under high temperature or pressure; and the white quadrant (bottom) features a “W” symbol, warning that the substance reacts dangerously with water.

This image is commonly used on safety data sheets (SDS), chemical containers, storage cabinets, and facility signage to communicate immediate hazards to emergency responders and workers. It matches user intent for hazard identification, OSHA/NFPA compliance training, and workplace safety education.