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CAS號(hào):463-82-1
英文名稱:2,2-DIMETHYLPROPANE
英文同義詞:Neopentan;Neo-C5H12;Neopentane;New pentane;tert-Pentane;dimethylpropane;Dimethylpropanol;Tetramethylcarbon;Tetramethylmethan;2,2-Dimethylpropan
中文名稱:新戊烷
中文同義詞:新戊烷;四甲基甲烷;2-甲基異丁烷;2,2-二甲基丙烷;2,2-二甲基甲烷;2,2-二甲基丙烷(新戊烷)
分子式:C5H12
分子量:72.15
熔點(diǎn):-19.8°
沸點(diǎn):bp 9.5°
密度:d00 0.613 (liq)
蒸氣壓:1,074.43 at 19.492 °C, 1,267.75 at 24.560 °C (ebulliometry, Osborn and Douslin, 1974)
折射率:1.3390
溶解度:Soluble in alcohol and ether (Weast, 1986).
酸度系數(shù)(pKa):>14 (Schwarzenbach et al., 1993)
水溶解性:33.2 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966)
Henry's Law Constant:3.70(atm?m3/mol) at 25 °C (Mackay and Shiu, 1981)
暴露限值:ACGIH TLV: TWA 600 ppm (adopted).
CAS 數(shù)據(jù)庫(kù):463-82-1(CAS DataBase Reference)
EPA化學(xué)物質(zhì)信息:2,2-Dimethylpropane (463-82-1)