1. www.jst.umn.edu Palladium on Carbon is a flammable solid Example from a Learning Experience Report (LER)

2. www.jst.umn.edu Pd/C During working hours, method vapor was ignited in the presence of a Pd/C catalyst used during a hydrogenation. No injury resulted. 2 The participate knew what do in the incident (10/10), and had prior experience with the activity/technique (5/ 5). To prevent incident: See Pd/C Safety moment for more detail 1.Add catalyst to reaction vessel under an inert atmosphere. 2.Then add solvent slowly under inert gas. 3.Dispose of Pd/C in special waste bottle with water present.

3. www.jst.umn.edu Pd/C Explosion 3 Improper handling of waste lead to disaster. April 2012 Newsletter, U W-Madison, Office of Chemical Safety. Http://www.ehs.wisc.edu/chem-issue1Volume2-improperhandlingchems.htm At another university, a fire was started by a bottle of Pd/C disposed of in a plastic waste container in the lab. Luckily, the fire did not spread beyond the trash receptacle and it resulted in no injuries.