Division 2.3 is for poisonous gasses.
Division 2.3 is for poisonous gases.
DOT Class 2, Division 1 (more properly called Division 2.1) is for flammable gases.
Division 2.3 is for poisonous gases.
There is no Class 3 Division 2; Class three has no subdivisions.
DOT division 2.2 is for compressed nonflammable gasses.
Division 4.2 is spontaneously combustible material.
DOT Class 2, Division 1 (more properly called Division 2.1) is for flammable gases.
Division 4.2 is spontaneously combustible material.
Materials NOT found in Class 2 would be any material that is not a gas.
"Non-flammable compressed gas" is the formal terminology. This class/division includes carbon dioxide (co2) cylinders, air tanks, and many industrial gasses described as "inert". Flammable gasses/aerosols, and toxic gasses/aerosols are also in class 2, but different divisions (2.1, and 2.3 respectively)
liquefied gas
In the DOT system for classifying hazardous materials in transportation, Class 2, Division 1 (more properly called Division 2.1) is for flammable gases, usually compressed flammable gases.