Arsine, a blood agent, is classified under which UN/DOT hazard class and division?

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Multiple Choice

Arsine, a blood agent, is classified under which UN/DOT hazard class and division?

Explanation:
Arsine is a gas and an extremely toxic inhalation hazard. In UN/DOT hazard classifications, gases are Class 2, and when a gas is acutely toxic through inhalation, it falls under Division 2.3 (toxic gas). That makes arsine a toxic gas classification, which is why it’s designated as 2.3. The other options don’t fit because they address flammable gases (2.1), flammable liquids (3.1), or toxic substances that aren’t gases (6.1), whereas arsine’s defining trait as a highly toxic inhalation gas places it in the toxic gas division.

Arsine is a gas and an extremely toxic inhalation hazard. In UN/DOT hazard classifications, gases are Class 2, and when a gas is acutely toxic through inhalation, it falls under Division 2.3 (toxic gas). That makes arsine a toxic gas classification, which is why it’s designated as 2.3. The other options don’t fit because they address flammable gases (2.1), flammable liquids (3.1), or toxic substances that aren’t gases (6.1), whereas arsine’s defining trait as a highly toxic inhalation gas places it in the toxic gas division.

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