2-Chloro-4-(hydroxymercuri)phenol 538-04-5 Caswell No. 192B EPA Pesticide Chemical Code 046002 Hydroxymercuri-o-chlorophenol Hydroxymercurichlorophenol MERCURY, (3-CHLORO-4-HYDROXYPHENYL)HYDROXY- Phenol, 2-chloro-, mercury complex (9CI) Phenol, 2-chloro-4-(hydroxymercuri)- Semesan