Reactor coolant

The reactor coolant is a quest item in Fallout 4.

Gameplay
A yellow-and-black canister, labeled as "Reactor Coolant Toxic" on the side. It can be crafted during the quest Reactor Coolant and be turned in with Proctor Ingram aboard the Prydwen in exchange for 100 caps.

Location
Can only be crafted at a chemistry station.