常用可燃氣體蒸汽特性表常用可燃氣體蒸汽特性表常用可燃氣體蒸汽特性表附錄A常用可燃氣體、蒸汽特性表A常用可燃氣體、蒸汽特性表引燃溫爆炸濃度火災序物質名沸點閃點(V%)度(C)危險號稱(C)(C)性分/組別下限上限類1甲烷540/T1-161.5氣體5.015.0甲2乙烷515/T1-88.9氣體3.015.5甲3丙烷466/T1-42.1氣體2.19.5甲4丁烷405/T2-0.5氣體1.98.5甲5戊烷260/T336.07<-40.01.47.8甲B6己烷225/T368.9-22.81.17.5甲B7庚烷215/T398.3-3.91.16.7甲B8辛烷220/T3125.6713.31.06.5甲B

=蒸氣密度kg/m30.771.342.072.593.223.884.535.09

備注液化后為甲A液化后為甲A液化后為甲A液化后為甲A9壬烷205/T3150.7731.00.75.6乙A5.73引燃溫爆炸濃度￥=烝氣序物質名沸點閃點火災危(V%)度(C)密度險性分(C)(C)號稱/組別下限上限類kg/m310環丙烷500/T1-33.9氣體2.410.4甲1.9411環戊烷380/T2469.4<-6.71.4甲B3.1012異丁烷460/T1-11.7氣體1.88.4甲2.5913環己烷245/T381.7-20.01.38.0甲B3.7514異戊烷420/T227.8<-51.11.47.6甲B3.2115巳寺心異辛烷410/T299.24-12.01.06.0甲B5.09乙基環16210/T371.1<-15.61.27.7甲B3.75丁烷乙基環17260/T3103.3<211.16.7甲B4.40戊烷乙基環18262/T3131.7350.96.6乙A5.04己烷甲基環19250/T3101.1-3.91.26.7甲B4.40己烷

備注液化后為甲A液化后為甲A液化后為20乙烯425/T2-103.7氣體2.736甲1.29甲A續表A常用可燃氣體、蒸汽特性表引燃溫爆炸濃度序物質名沸點閃點度（C）(V%)號稱（C）（C）/組別下限上限21丙烯460/T1-47.2氣體2.011.11—丁22385/T2-6.1氣體1.610.0烯2—丁23325/T23.7氣體1.79.0烯（順）2—丁24324/T21.1氣體1.89.7烯（反）25丁二烯420/T2-4.44氣體2.01226異丁烯465/T1-6.7氣體1.89.627乙炔305/T2-84氣體2.5100

￥=火災蒸氣危險密度性分kg/m3類甲1.94甲2.46甲2.46甲2.46甲2.42甲2.46甲1.16

備注液化后為甲A液化后為甲A液化后為甲A液化后為甲A液化后為甲A液化后為甲A液化后為甲A引燃溫爆炸濃度￥=蒸氣序物質名沸點閃點火災危(V%)度(C)密度險性分(C)(C)號稱/組別下限上限類kg/m328丙炔/T1-2.3氣體1.7甲1.8129苯560/T180.1-11.11.37.1甲B3.6230甲苯480/T1110.64.41.27.1甲B4.0131乙苯430/T2136.2151.06.7甲B4.73鄰一二32465/T1144.4171.06.0甲B4.78甲苯間一二33530/T1138.9251.17.0甲B4.78甲苯對一二34530/T1138.3251.17.0甲B4.78甲苯35苯乙烯490/T1146.1321.16.1乙A4.64環氧乙36429/T210.56<-17.83.6100甲A1.94烷環氧丙37430/T233.9-37.22.837甲B2.59烷

備注液化后為甲A引燃溫爆炸濃度￥=蒸氣序物質名沸點閃點火災危度(C)(V%)密度險性分(C)(C)號稱/組別下限上限類kg/m338甲基醚350/T2-23.9氣體3.427甲2.0739乙醚170/T435-451.936甲B3.36乙基甲40190/T410.6-37.22.010.1甲A2.72基醚41二甲醚240/T3-23.7氣體3.427甲2.0642二丁醚194/T4141.1251.57.6甲B5.8243甲醇385/T263.9116.736甲B1.4244乙醇422/T278.312.83.319甲B2.0645丙醇440/T297.2252.113.5甲B2.7246丁醇365/T2117.028.91.411.2乙A3.3647戊醇300/T3138.032.71.210乙A3.8848異丙醇399/T282.811.72.012甲B2.7249異丁醇426/T2108.031.61.719.0乙A3.3050甲醛430/T2-19.4氣體7.073甲1.29

備注液化后為甲A液化后為甲A液化后為引燃溫爆炸濃度￥=蒸氣序物質名沸點閃點火災危(V%)度(C)密度險性分(C)(C)號稱/組別下限上限類kg/m351乙醛175/T421.1-37.84.060甲B1.94-9.4?52丙醛207/T348.92.917甲B2.597.253丙烯醛235/T351.7-26.12.831甲B2.4654丙酮465/T156.7-17.82.612.8甲B2.5955丁醛230/T376-6.72.512.5甲B3.2356甲乙酮515/T179.6-6.11.810甲B3.2357環已酮420/T2156.143.91.18.1乙A4.4058乙酸465/T118.342.85.416乙A2.72甲酸甲59465/T132.2-18.95.023甲B2.72酯甲酸乙6045554.4-202.816甲B3.37酯醋酸甲61501/T60-103.116甲B3.62酯

備注甲A引燃溫爆炸濃度￥=蒸氣序物質名沸點閃點火災危度(C)(V%)密度險性分(C)(C)號稱/組別下限上限類kg/m3醋酸乙62427/T277.2-4.42.211.0甲B3.88酯醋酸丙63450/T101.714.42.03.0甲B4.53酯醋酸丁64425/T2127221.77.3甲B5.17酯醋酸丁65427/T2717.77.02.6甲B3.88烯酯丙烯酸66415/T279.7-2.92.825甲B3.88甲酯67呋喃390/T31.1<02.314.3甲B2.97四氫呋68321/T266.1-14.42.011.8甲B3.23喃氯代甲69623/T1-23.9氣體10.717.4甲2.33烷70氯乙烷519/T12.2-503.815.4甲A2.84

備注液化后為甲A引燃溫

爆炸濃度

火災￥=蒸氣序物質名度（C）

沸點閃點

(V%)

危險密度備注性分號稱/組別71溴乙烷511/T172氯丙烷520/T273氯丁烷245/T274溴丁烷265/T275氯乙烯413/T2烯丙基76485/T1氯77氯苯640/T11，2—

(C)(C)下限上限37.8<-206.711.346.1<-17.82.611.176.6-9.41.810.110218.92.66.6-13.9氣體3.63