Ammonium Dichromate

Ammonium Dichromate
chemical formula: (NH₄)2Cr₂O₇
( granular )
Ammonium Dichromate is a powerful oxidizer, best known for its use in the classic 'Volcano' chemistry demonstration. When burned, it looks like a volcano and produces green chromium oxide ash.
Caution: Ammonium Dichromate is both toxic & corrosive. Use normal safety precautions (wear a filter mask/respirator and gloves) when working with Ammonium Dichromate. Accidental inhalation of fine particles can be dangerous.