What did Alfred Nobel make dynamite with?

Answer 1

Dynamite consists of three parts nitroglycerin, one part diatomaceous earth and a small admixture of sodium carbonate.

Nitroglycerin was already know as an explosive but it was very unstable, Nobel's contribution was to make nitroglycerin stable by the addition of the other two substances.

Answer 2

Alfred Nobel made dynamite using a mixture of nitroglycerin, an oily, explosive liquid, and an absorbent material like diatomaceous earth or sawdust. This blend made the nitroglycerin more stable and safer to handle, resulting in the invention of dynamite in 1867.