硫化铍
硫化铍 | |
---|---|
英文名 | |
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 |
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。 |
参考文献
- NIOSH Pocket Guide to Chemical Hazards #0054". National Institute for Occupational Safety and Health (NIOSH).
- Kenneth A. Walsh. . ASM International. 2009: 127 [2017-06-24]. ISBN 087170721-7. (原始内容存档于2016-12-23).
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.