Black powder
C 2%, K 15%, N 15%, O 45%, S 3%,

estimated elemental composition and molecular weight 
Real, long lived, electronically neutral reagent chemical.

Gram formula weight (molecular mass) = 1636.7

Explosive & propellant. Hygroscopic.
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is defined with respect to the entities below:
The entities below are defined with respect to:
Explosive (generic)

Heterogeneous mixture (generic)

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