What is the hazard class number assigned to vinyl chloride (ID 1086) in the DOT ERG?

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Multiple Choice

What is the hazard class number assigned to vinyl chloride (ID 1086) in the DOT ERG?

Explanation:
Vinyl chloride is a gas at room temperature, so its primary hazard category in the DOT ERG is gases. In this system, the class number for gases is 2. That’s why the correct identification is 2. Even though vinyl chloride is flammable, it’s classified as a gas, not a flammable liquid, which would be class 3. Subcategories within class 2 (like 2.1 for flammable gases) exist for more detail, but the basic hazard class number is 2.

Vinyl chloride is a gas at room temperature, so its primary hazard category in the DOT ERG is gases. In this system, the class number for gases is 2. That’s why the correct identification is 2. Even though vinyl chloride is flammable, it’s classified as a gas, not a flammable liquid, which would be class 3. Subcategories within class 2 (like 2.1 for flammable gases) exist for more detail, but the basic hazard class number is 2.

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