Black Powder UN 0027 is classified as "dangerous goods".
Explosive materials are in DOT hazard class 1.
Class 1
Class 1 Division 3 explosive
Explosive materials
The Joint Hazard classification system includes Class I, Ammunition and Explosive hazard information.
A class 1 division 2 light fixture is one that will not create an explosive hazard in an environment where combustible or explosive gases may be present.
Class 1 materials are explosives.Materials that have an explosive hazard are in Hazard Class 1.
It is to designate Class 1 - Explosives (dynamite, black powder).
Explosives that have no explosive hazard are not explosives. Materials that have a fire hazard but no explosive hazard are Class 2 if they are gasses, class 3 if they are liquids, and class 4 if they are solids.
Yellow 3
Explosive 1.2B