2-Cyanoguanidine

2-Cyanoguanidine or commonly dicyandiamide is an amine derived from guanidine. It is also a dimer of cyanamide, from which it can be prepared. 2-Cyanoguanidine is soluble in water, acetone and alcohol, but not in diethyl ether or chloroform.

2-Cyanoguanidine is produced in soil by decomposition of cyanamide.

Uses
2-Cyanoguanidine is a common chemical used in metal industry, pharmacy and as a food additive. It is also used a slow fertilizer, as an intermediate for melamine and other organic chemicals.

Formerly was 2-cyanoguanidine used together with strong oxidizing agents as an explosive.