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- 介绍: 碱土金属钙的硫化物,室温下为白色具有臭鸡蛋气味的,不纯时常带有黄色。它具有氯化钠型晶体结构,每个S2-与六个Ca2+八面体配位相连,每个Ca2+也以八面体结构与六个S2-配位。含杂质的为淡黄色。溶于水或遇湿气发生水解。微溶于醇.在湿空气中分解,在干燥空气中则被氧化。遇酸迅速分解而释出H2S.与氯、碘反应析出元素硫。
- 熔点: 2400°C
- 敏感性: 对湿度敏感;热和空气敏感
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