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CAS号:75-83-2
英文名称:2,2-Dimethylbutane
英文同义词:neobutan;NEOBUTANE;NEOHEXANE;(CH3)3CCH2CH3;2.2-DiMethylbu;Trimethylpropane;tert-Butylethane;2-Ethylisobutane;2,2-dimethyl-butan;3,3-DIMETHYLBUTANE
中文名称:2,2-二甲基丁烷
中文同义词:新己烷;叔丁基乙烷;2-乙基异丁烷;2,2-甲基丁烷;2,2-二甲丁烷;2,2一二甲基丁烷;2,2-二甲基丁烷;2,2-二甲基丁烷,99%;2,2-二甲基丁烷 标准品;1,1,1,2-四甲基乙烷
分子式:C6H14
分子量:86.18
熔点:−100 °C(lit.)
沸点:50 °C(lit.)
密度:0.649 g/mL at 25 °C(lit.)
蒸气密度:2.97 (vs air)
蒸气压:5.35 psi ( 20 °C)
折射率:n
闪点:<−30 °F
储存条件:Flammables area
溶解度:In methanol: 590 and 800 g/L at 5 and 10 °C, respectively. Miscible at higher temperatures (Kiser et al., 1961). Miscible with other aliphatic hydrocarbons, e.g., pentane, hexane, heptane, etc.
酸度系数(pKa):>14 (Schwarzenbach et al., 1993)
形态:Liquid
颜色:Clear colorless to slightly yellow
爆炸极限值(explosive limit):~7.7%
嗅觉阈值(Odor Threshold):20ppm
水溶解性:insoluble
BRN:1730736
Henry's Law Constant:1.69(atm?m3/mol) at 25 °C (Mackay and Shiu, 1981)
暴露限值:ACGIH TLV: TWA and STEL for all isomers except n-hexane are 500 and 1,000 ppm, respectively (adopted).
稳定性:Stable, but may be moisture sensitive. Highly flammable. Incompatible with strong oxidizing agents.
CAS 数据库:75-83-2(CAS DataBase Reference)
NIST化学物质信息:Butane, 2,2-dimethyl-(75-83-2)
EPA化学物质信息:2,2-Dimethylbutane (75-83-2)