Which Class of hazmats includes oxidizers and organic peroxides?

Which Class of hazmats includes oxidizers and organic peroxides?

• A. Class 2
• B. Class 3
• C. Class 5
• D. Class 6

Answer: (C)

Oxidizers and organic peroxides share a key danger: they can release or supply oxygen, which fuels and accelerates fires. In hazmat classifications, this risk is grouped into Class 5, the category for oxidizing substances and organic peroxides. Oxidizers themselves push combustion forward by providing additional oxygen and often reacting with fuels, while organic peroxides are organic compounds with unstable peroxide bonds that can decompose violently, releasing heat and gases and sometimes detonating. That combination of oxygen-releasing and potentially explosive behavior is why both belong in Class 5. Other classes cover different hazards—gases, flammable liquids, and toxic substances—but they don’t unify oxidizers and organic peroxides in the same way.

Oxidizers and organic peroxides share a key danger: they can release or supply oxygen, which fuels and accelerates fires. In hazmat classifications, this risk is grouped into Class 5, the category for oxidizing substances and organic peroxides. Oxidizers themselves push combustion forward by providing additional oxygen and often reacting with fuels, while organic peroxides are organic compounds with unstable peroxide bonds that can decompose violently, releasing heat and gases and sometimes detonating. That combination of oxygen-releasing and potentially explosive behavior is why both belong in Class 5. Other classes cover different hazards—gases, flammable liquids, and toxic substances—but they don’t unify oxidizers and organic peroxides in the same way.