2,2-二甲基丁烷
2,2-二甲基丁烷(英語:)有时也称为新己烷(英語:)是己烷的同分异构体之一,分子式C6H14,结构简式(H3C-)3-C-CH2-CH3,带有丁烷(C4)的骨架结构,可通过2,3-二甲基丁烷在酸催化下加氢异构化合成[4]。
| 2,2-二甲基丁烷 | |||
|---|---|---|---|
|  | |||
| 
 | |||
| IUPAC名 2,2-Dimethylbutane[1] | |||
| 别名 | Neohexane,[2] 22DMB | ||
| 识别 | |||
| CAS号 | 75-83-2  | ||
| PubChem | 6403 | ||
| ChemSpider | 6163 | ||
| SMILES | 
 | ||
| Beilstein | 1730736 | ||
| UN编号 | 1208 | ||
| EINECS | 200-906-8 | ||
| RTECS | EJ9300000 | ||
| 性质 | |||
| 化学式 | C6H14 | ||
| 摩尔质量 | 86.18 g·mol−1 | ||
| 外观 | 无色液体 | ||
| 氣味 | 无臭 | ||
| 密度 | 649 mg mL−1 | ||
| 熔点 | -100 °C(173 K) | ||
| 沸点 | 50 °C(322.9 K) | ||
| log P | 3.51 | ||
| 蒸氣壓 | 36.88 kPa (20 °C) | ||
| kH | 6.5 nmol Pa−1 kg−1 | ||
| 磁化率 | -76.24·10−6 cm3/mol | ||
| 折光度n D | 1.369 | ||
| 热力学 | |||
| ΔfHm⦵298K | −214.4–−212.4 kJ mol−1 | ||
| ΔcHm⦵ | −4.1494–−4.1476 MJ mol−1 | ||
| S⦵298K | 272.00 J K−1 mol−1 | ||
| 热容 | 189.67 J K−1 mol−1 | ||
| 危险性 | |||
| GHS危险性符号        | |||
| GHS提示词 | DANGER | ||
| H-术语 | H225, H304, H315, H336, H411 | ||
| P-术语 | P210, P261, P273, P301+310, P331 | ||
| NFPA 704 |  3 1 0 | ||
| 爆炸極限 | 1.2–7.7% | ||
| PEL | none[3] | ||
| 相关物质 | |||
| 相关化合物 | |||
| 若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 | |||
参考文献
    
- . PubChem Compound. USA: National Center for Biotechnology Information. Identification and Related Records. 26 March 2005 [9 March 2012]. (原始内容存档于2020-01-25).
- Haynes, William M. 91. Boca Raton, Florida, USA: CRC Press. 2010: 3-194. ISBN 978-1-43982077-3.
- NIOSH Pocket Guide to Chemical Hazards. . NIOSH.
- . National Center for Biotechnology Information. 18 July 2015 [20 July 2015]. (原始内容存档于2020-01-25).
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