Gunpowder

Gunpowder is a miscellaneous item in Fallout 76.

Characteristics
An explosive chemical mixture of sulfur, charcoal and potassium nitrate. It is a required component of several ammunition types that can be crafted at a tinker's workbench. It cannot be obtained from scrapping but it is also not dropped upon the player character death.

Crafting
Making gunpowder is a net weight increase by almost double. This only gets worse with the Pack Rat perk, because gunpowder is not affected by it. It's better to use up the gunpowder the player character has, and only make more when they're making ammo immediately.
 * 3 * 0.05(acid) + 5 * 0.05(cloth) = 0.4 total materials
 * 15 * 0.05(gunpowder) = 0.75 final gunpowder weight