How many grains of gunpowder are in a 9mm bullet?

blue dot hollow point 100gr 9.3gr muzzle velocity 1285
8.4 1166fps
red dot hp 100gr 4.9 1204
4.5 1119
bullseye 100gr 5.0 1180
4.5 1077 fps

Bullets do not contain gunpowder. Most bullets consist of a lead core inside a copper alloy jacket. Cartridges consist of a cartridge case, or shell, the bullet, a primer, and a charge of gunpowder. In the case the the 9mm pistol cartridge the charge can vary between 4 and 9 grains, depending on the propellant. A 9mm rifle cartridge may hold 95 grains of propellant.

References:- Hatchers Notebook, SAAMI (Small Arms and Ammunition Manufacturers Institute), any realoading manual.