noun
Chemical compound; used in industrial and laboratory contexts. May refer to either mercury(I) chloride (calomel) or mercury(II) chloride (corrosive sublimate) depending on context.
塩化水銀は毒性が高いため、取り扱いに注意が必要です。
Mercury chloride is highly toxic, so careful handling is required.
Compound of 塩化 (chloride) and 水銀 (mercury), directly describing the chemical composition.