Nitroglycerin

Source
This item drops from:
 * Lord Cyrik Blackforge in The Barrens
 * Bael'dun Officer in The Barrens
 * Bael'dun Rifleman in The Barrens
 * Bael'dun Soldier in The Barrens

Nitroglycerin as a quest objective
This item is an objective of.