dualin

from The Century Dictionary.

• noun A mixture of 30 parts of fine sawdust, 20 of saltpeter, and 50 of nitroglycerin, used as an explosive. Also called dualin-dynamite.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Chem.) An explosive substance consisting essentially of sawdust or wood pulp, saturated with nitroglycerin and other similar nitro compounds. It is inferior to dynamite, and is more liable to explosion.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun dated An explosive substance consisting essentially of sawdust or wood pulp saturated with nitroglycerin and similar compounds.