硫化鈹 | |
---|---|
英文名 | Beryllium sulfide |
識別 | |
CAS號 | 13598-22-6 |
PubChem | 83605 |
ChemSpider | 44415277 |
SMILES |
|
InChI |
|
InChIKey | FQDSYGKTHDFFCM-UHFFFAOYSA-N |
EINECS | 237-064-6 |
性質 | |
化學式 | BeS |
摩爾質量 | 41.077 g·mol⁻¹ |
外觀 | 白色晶體 |
密度 | 2.36 g/cm3 |
熔點 | 1,800 °C(2,070 K)(分解) |
能隙 | 7.4 eV |
折光度n D |
1.741 |
結構 | |
晶體結構 | cubic |
熱力學 | |
ΔfHm⦵298K | -235 kJ/mol |
S⦵298K | 34 J/mol K |
熱容 | 34 J/mol K |
危險性 | |
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] |
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。 |
製備
參考文獻
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