常见气体爆炸极限

表格1常用可燃气体爆炸极限数据表物质名称nbsp;分子式nbsp;爆炸浓度(V%)毒性nbsp;下限LEL上限UEL甲烷nbsp;CH4515mdash;mdash;乙烷nbsp;C2H6315.5nbsp;丙烷nbsp;C3H82.19.5nbsp;丁烷nbsp;C4H101.98.5nbsp;戊烷（液体）nbsp;C5H121.47.8nbsp;己烷（液体）nbsp;C6H141.17.5nbsp;庚烷（液体）nbsp;CH3(CH2)5CH31.16.7nbsp;辛烷（液体）nbsp;C8H1816.5nbsp;乙烯nbsp;C2H42.736nbsp;丙烯nbsp;C3H6211.1nbsp;丁烯nbsp;C4H81.610nbsp;丁二烯nbsp;C4H6212低毒nbsp;乙炔nbsp;C3H42.5100nbsp;环丙烷nbsp;C3H62.410.4nbsp;煤油（液体）nbsp;C10-C160.65nbsp;城市煤气nbsp;nbsp;4nbsp;nbsp;液化石油气nbsp;nbsp;112nbsp;汽油（液体）nbsp;C4-C121.15.9nbsp;松节油（液体）nbsp;C10H160.8nbsp;nbsp;苯（液体）nbsp;C6H61.37.1中等nbsp;甲苯nbsp;C6H5CH31.27.1低毒nbsp;氯乙烷nbsp;C2H5CL3.815.4中等nbsp;氯乙烯nbsp;C2H3CL3.633nbsp;氯丙烯nbsp;C3H5CL2.911.2中等nbsp;1.2二氯乙烷nbsp;CLCH2CH2CL6.216高毒nbsp;四氯化碳nbsp;CCL4nbsp;nbsp;轻微麻醉nbsp;三氯甲烷nbsp;CHCL3nbsp;nbsp;中等nbsp;环氧乙烷nbsp;C2H4O3100中等nbsp;甲胺nbsp;CH3NH24.920.1中等nbsp;乙胺nbsp;CH3CH2NH23.514中等nbsp;苯胺nbsp;C6H5NH21.311高毒nbsp;二甲胺nbsp;(CH3)2NH2.814.4中等nbsp;乙二胺nbsp;H2NCH2CH2NH2nbsp;nbsp;低毒nbsp;甲醇（液体）nbsp;CH3OH6.736nbsp;乙醇（液体）nbsp;C2H5OH3.319nbsp;正丁醇（液体）nbsp;C4H9OH1.411.2nbsp;甲醛nbsp;HCHO773nbsp;乙醛nbsp;C2H4O460nbsp;丙醛（液体）nbsp;C2H5CHO2.917nbsp;乙酸甲酯nbsp;CH3COOCH33.116nbsp;乙酸nbsp;CH3COOH5.416低毒nbsp;乙酸乙酯nbsp;CH3COOC2H52.211nbsp;丙酮nbsp;C3H6O2.612.8nbsp;丁酮nbsp;C4H8O1.810nbsp;氰化氢(氢氰酸)HCN5.640剧毒nbsp;丙烯氰nbsp;C3H3N2.828高毒nbsp;氯气nbsp;CL2nbsp;nbsp;刺激nbsp;氯化氢nbsp;HCLnbsp;nbsp;nbsp;氨气nbsp;NH31625低毒nbsp;硫化氢nbsp;H2S4.345.5神经nbsp;二氧化硫nbsp;SO2nbsp;nbsp;中等nbsp;二硫化碳nbsp;CS21.350nbsp;臭氧nbsp;O3nbsp;nbsp;刺激nbsp;一氧化碳nbsp;CO12.574.2剧毒nbsp;氢nbsp;H2475nbsp;nbsp;本表数值来源基本上以《SH3063-1999石油化工企业可燃气体和有毒气体检测报警器设计规范》为主,并与《常用化学危险品安全手册》进行了对照,补充。