No such canisters are necessary in a can stove; denatured alcohol can be carried in virtually any lightweight container, such as a plastic soda bottle.
Denatured alcohol is not, in itself, a preferred product that is, it is not something that would be normally demanded if given the alternative of normal ethanol.
The addition of methanol, which is poisonous, renders denatured alcohol unfit for consumption, as ingesting denatured alcohol may result in serious injury or death.
