Chemical compound is a members-only quest item. It is used in the Digsite Quest to blow up bricks blocking the path below the digsite. It is used with bricks and is lit with a tinderbox. It is made by combining nitroglycerin, ammonium nitrate, ground charcoal and arcenia root (requires Herblore level 10). Making a chemical compound gives 7 Herblore experience. People with Dharok's occasionally drop this as Dharok's hits harder if the player wearing it has low health.
Warning: Dropping this item will inflict 650 damage on the player!