无机汞化合物主要为汞盐，除了硫化汞朱砂是红色外，它们大部分都是白色的粉末或结晶。
Inorganic mercury compounds take the form of mercury salts, which are generally in white powder or crystals, with the exception of mercuric sulfide cinnabar which is red.
性状：红色结晶；在湿空气中易潮湿，易溶于水，也溶于乙醇、醚和丙酮；脱水后呈浅兰色粉末。
Appearance: Red crystal. Easily deliquescent in wet air, soluble in water, alcohol and acetone, it becomes light-blue powder after losing the crystal water.
性状：玫瑰红色结晶。脱水后曾红色粉末，溶于水和甲醇，微溶于乙醇。
Appearance: rose crystal. it becomes red powder after losing crystal water, soluble in water and carbinol, slightly soluble in alcohol.
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