This triazole derivative, also known as 1,1'-carbonylbis(1,2,4-triazole), presents as a white to very pale-yellow crystalline powder. It is known to be soluble in methanol. Store in a refrigerator, under inert gas and protected from moisture. 1,1'-Carbonyl-di-(1,2,4-triazole) is incompatible with oxidizing agents and should not be stored or handled in their vicinity. This chemical is harmful if swallowed and causes serious eye damage.