CAS号:75-83-2
品名:2,2-二甲基丁烷2,2-Dimethylbutane
中文别名:新己烷;2-乙基异丁烷;2,2一二甲基丁烷;1,1,1,2-四甲基乙烷;叔丁基乙烷;
英文别名:Butane,2,2-dimethyl-;trimethylylpropane;Butane,2,2-dimethyl;mono-tert-butylethane;Neohexane;EINECS200-906-8;trimethylpropane;2,2-dimethyl-butane;ethyltrimethylmethane;
分子式:C6H14
分子量:86.1754
精确质量:86.1096
Psa:0.0
RTECS号:EJ9300000
UNII号:07L56L3MP2
外观与性状:液体
密度:0.649g/mLat 25°C(lit.)
沸点:50°C(lit.)
熔点:−100°C(lit.)
闪点:&<−30°F
折射率:n20/D 1.369(lit.)
稳定性:Stable, but may be moisture sensitive. Highly flammable. Incompatible with strong oxidizing agents.
储存条件:库房通风低温干燥,与氧化剂、酸类分开存放
蒸汽压:5.35 psi ( 20 °C)
安全说明:S9-S16-S29-S33-S61-S62
危险类别码:R11; R38; R51/53; R65; R67
WGK Germany:3
危险品运输编码:UN 1208 3/PG 2
危险类别:3
包装等级:II
危险品标志:F; Xn; N
简介:2,2-Dimethylbutane,triviallyknownasneohexane,isanorganiccompoundwithformulaC6H14or(H3C-)3-C-CH2-CH3.Itisthereforeanalkane,indeedthemostcompactandbranchedofthehexaneisomers—theonlyonewithaquaternarycarbonandabutane(C4)backbone.Itcanbesynthesisedbythehydroisomerisationof2,3-dimethylbutaneusinganacidcatalyst.
用途:1.气相色谱分析标准。农业化学用中间体。有很高的辛烷值,可作车用汽油和航空汽油的添加剂。