Mercuric chloride might cause most cancers as it's got caused increases in a number of varieties of tumors in rats and mice, whilst methyl mercury has caused kidney tumors in male rats. The EPA has labeled mercuric chloride and methyl mercury as you can human carcinogens (ATSDR, EPA) Indeed, https://liquidmercurypricechart40268.blogoscience.com/38744050/what-does-liquid-mercury-formula-mean