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化合物 来自维基百科,自由的百科全书
硫化铍 | |
---|---|
英文名 | Beryllium sulfide |
识别 | |
CAS号 | 13598-22-6 |
PubChem | 83605 |
ChemSpider | 44415277 |
SMILES |
|
InChI |
|
InChIKey | FQDSYGKTHDFFCM-UHFFFAOYSA-N |
EINECS | 237-064-6 |
性质 | |
化学式 | BeS |
摩尔质量 | 41.077 g·mol⁻¹ |
外观 | 白色晶体 |
密度 | 2.36 g/cm3 |
熔点 | 1,800 °C(2,070 K)(分解) |
能隙 | 7.4 eV |
折光度n D |
1.741 |
结构 | |
晶体结构 | cubic |
热力学 | |
ΔfHm⦵298K | -235 kJ/mol |
S⦵298K | 34 J/mol K |
热容 | 34 J/mol K |
危险性 | |
PEL | TWA 0.002 mg/m3 C 0.005 mg/m3 (30 minutes), with a maximum peak of 0.025 mg/m3 (as Be)[1] |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
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