2-Mercaptopyridine is an organosulfur compound with the formula HSC5H4N. This yellow crystalline solid is a derivative of pyridine. The compound and its derivatives serve primarily as acylating agents. A few of 2-mercaptopyridine’s other uses include serving as a protecting group for amines and imides as well as forming a selective reducing agent. 2-Mercaptopyridine oxidizes to 2,2’-dipyridyl disulfide.
Appearance & Physical State
yellow crystalline powder
184.9ºC at 760 mmHg
50 g/L (20 ºC)
Stable. Incompatible with strong bases, strong oxidizing agents.