Division 2.3 is for poisonous gases.
There is no Class 3 Division 2; Class three has no subdivisions.
DOT Class 3 is for flammable liquids, but there is no subdivision of the class so there is no division 3 for this class.
DOT Class 2, Division 1 (more properly called Division 2.1) is for flammable gases.
DOT Class 2, Division 1 (more properly called Division 2.1) is for flammable gases.
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Moose!
Division 2.3 is for poisonous gases.
Class 6, Division 2 (more properly called Division 6.2) is for infectious agents.
DOT division 2.2 is for compressed nonflammable gasses.
Materials NOT found in Class 2 would be any material that is not a gas.
What type of hazard does hazard class 1, division 2 material present
DOT hazard Class 8 contains corrosive materials such as acids and bases.