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。 硫化钙可用于去除废水中的重金属. Calcium sulfide may be used to remove heavy metals from wastewater.
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Calcium sulfide
Dangerous GoodsCAS number:20548-54-3 molecular formula:CaS
overview
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Specs
| Chinese alias | 一硫化钙 | ||
| English alias | Calcium monosulfide | ||
| CAS number | 20548-54-3 | molecular formula | CaS |
| molecular weight | 72.14 g/mol | Exact mass | ≥99% |
| PSA | - | logp | - |
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Safety information
WGK Germany:
2
UN Number:
3179
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