2-Chloro-9H-thioxanthen-9-one; 2-Chloro-thioxanthen-9-one; 2-Chlorothiaxanthone; 2-Chlorothioxanthen-9-one; 2-Chlorothioxanthone; Kayacure CTX; Kayacure DETA-S; Nisso Cure CTX; Quantacure CTX; Sandoray 1050; Speedcure CTX; UCI 100

2-Chlorothioxanthone acts as a photoinitiator used in food packaging inks. It has also been shown to affect the endoocrine system. It is the main photoproduct of chlorprothixene (006766), an antipsychotic.