Class-5-Organic-Peroxides-5.1

Hazard Class 5: Class 5 hazards are oxidizing chemicals that could be prone to combustion. There are two divisions to this class — oxidizers and organic peroxides — marked as 5.1 and 5.2, respectively. Oxidizers are designated with a yellow label, with the hazard class number 5.1 at the bottom and the oxygen logo at the top. Organic peroxides are noted with a half-red and half-yellow truck placard, with a flammable graphic at the top in the red portion. The hazard class No. 5.2 is located at the bottom.