Oxygen Gas Hazard Sign (Class 2.2 Non-Flammable Gas) - Safety Symbol Guide #2199174 (License: Personal Use)

The image shows the standardized UN hazard placard for oxygen (UN 1072), classified as a Class 2.2 non-flammable gas. It features a black flame-over-circle symbol at the top, bold “OXYGEN” text in the center, and the number “2” below, indicating its hazard class under the Globally Harmonized System (GHS) and DOT regulations. The bright yellow background ensures high visibility for safety compliance in industrial, medical, and transport settings.

Used on cylinders, tanks, and transport vehicles carrying compressed or liquefied oxygen; appears in safety data sheets, facility signage, and regulatory training to warn personnel about fire-enrichment risks.