DOT class 6 division 1 materials consist of poisonous materials.
DOT division 4.1 is for flammable solids.
Poisonous materials are found in DOT division 6.1.
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.
Explosive materials are in DOT hazard class 1.
Class 4 division 1 (more properly called Division 4.1) is for flammable solids.
DOT Class 2, Division 1 (more properly called Division 2.1) is for flammable gases.
DOT Hazard Class 4 is for flammable solids such as magnesium metal.
Explosive materials
Class 4 division 1 (more properly called Division 4.1) is for flammable solids.
Flammable Solid
DOT Division 2.2 is for nonflammable compressed gases.