常见物质的爆炸极限

1、常见物质的爆炸极限浓度单位为空气的体积百分比。ClassIA液体(闪点低于73°F(22.8C);沸点低于100°F(37.8C)是为NFPA704燃烧速度4ClassesIB(闪点低于73°F(22.8C);沸点大于等于100°F(37.8C)与IC液体(闪点大于等于73°F(22.8C),但小于100°F(37.8C)是为NFPA704燃烧速度3ClassesII(闪点大于等于100°F(37.8C),但小于140°F)与IIIA液体(闪点大于等于140°F(60C),但小于200°F(93

2、.3C)是为NFPA704燃烧速度2ClassIIIB液体(闪点大于等于200°F(93.3C)是为NFPA704燃烧速度11-2物质爆炸下限(LFL/LEL)%体积百分比爆炸上限(UFL/UEL)%体积百分比NFPA分级闪点最小点燃能量mJ空气体积百分比自燃温度乙醛4.057.0IA-39C0.37175C乙酸(冰醋酸)419.9II39°Cto43°C463°C醋酸酊II54°C丙酮2.6-312.8-13IB-17C1.154.5%465°C,485°C1乙睛IB2C524°C一氯乙烷7.319IB5C390

3、°C乙烯2.582IA-18C0.0178.5%（在纯氧中为0.000240%）305°C丙烯醛2.831IB-26C0.13丙烯睛3.017.0IB0C0.169.0%3-氯丙烯2.911.1IB-32C0.77氨气15.727.4IIIB11°C680651°C碑4.5-5.1278IA可燃气体苯1.27.8IB-11C0.24.7%560°C1,3-二烯丁烷2.012IA-85C0.135.2%丁烷，正丁烷1.68.4IA-60C0.254.7%420-500°C乙酸正丁酯1-1.718-15IB24°C370

4、6;C丁醇，111IC29°C正丁醇1.4111.2IC35°C340°C正丁基氯，1-氯丁烷1.810.1IB-6C1.24正丁基硫醇1.4310.2IB2C225C甲基丁基酮，2-己酮148IC25°C423°C丁烯，1-丁烯1.9829.65IA-80C二氧化硫1.050.0IB-30C0.0097.8%90°C一氧化碳12275IA-191°C可燃气体609°C一氧化氯IA可燃气体1-氯-1,1-二氟乙烷6.217.9IA-65C可燃气体氧气6.0-6.6532-42.6IA可燃气体环丁烷1.811.1IA

5、-63.9C6426.7C环己烷1.37.8-8IB-18C-20C70.223.8%245°C环己醇19IIIA68°C300°C环己酮茂91-1.19-9.4IIIB43.9-44C0C0.67420°C8640°C环戊烷1.5-29.4IB-37to-38.9C10110.54361°C环丙烷2.410.4IA-94.4C120.176.3%498°C癸烷二硼烷0.80.85.488IIIA46.1C-90CFlammablegas13210°C38°C邻二氯苯2149IIIA65°C64

6、8°C1,1-二氯乙烷611IB14C1,2-二氯乙烷1,1-二氯乙烯66.51615.5IBIA13C-10C可燃气体413C一氟二氯甲烷54.7不可燃15-36.1C16552°C二氯甲烷1666不可燃二氯硅烷4-4.796IA-28C0.015柴油0.67.5IIIA>62°C(143°F)210°C二乙醇胺213IB169°C乙二胺1.810.1IB-23Cto-26C312°C二乙基二硫1.2II38.9C17二乙基醴1.9-236-48IA-45C0.195.1%160-170°C二乙基硫IB-1

7、0C181,1-二氟乙烷3.718IA-81.1C191,1-二氟乙烯5.521.3-126.1C20二异丁基酮1649°C二异丁基醴121IB-28C二甲基酸2.814.4IA可燃气体1,1-二甲基肺IB二甲基硫IA-49C二甲基亚碉2.6-342IIIB88-95°C215C1,4-二恶烷，戴奥辛222IB12C1-环氧-3-氯丙烷42131°C乙烷3212-12.4IA可燃气体-135C515°C乙醇、酒精3-3.319IB12.8C(55F)365°C乙二醇单乙醛31843°C2-乙基单乙醛乙酸2856C乙酸乙脂212IA-4

8、C460°C乙胺3.514IA-17C乙苯1.07.115-20C乙烯2.736IA0.07490°C乙二醇322111°C环氧乙烯3100IA-20C一氯乙烷3.8215.4IA-50°C乙基硫醇IA燃料油No.10.725吠喃214IA-36C汽油（100辛烷值）1.47.6IB<-40°C(-40°F)246-280°C甘油319199°C庚烷1.056.7-4C0.243.4%204-215°C正己烷1.17.5-22C0.243.8%225C,233°C1氢气4/172175/5

9、6IA可燃气体0.01628%(纯氧中是0.0012)500-571°C硫化氢4.346IA可燃气体0.068异丁烷1.829.6IA可燃气体462°C异丁醇21128°C异弗尔酮1484°C异丙醇2212IB12°C398-399C;425°C1异丙基氯IA煤油JetA-10.6-0.74.9-5II>38°C(100F)asjetfuel210°C氢化锂二部基乙醇IAIIIA甲烷（天然气）4.4-515-17IA可燃气体0.218.5%580°C乙酸甲脂316-10C甲醇甲胺6-6.7236IB

10、IA11°C8C385°C;455°C1一氯甲烷10.7217.4IA-46C二甲基酸IA-41C甲基乙基酸甲乙酮1.8210IAIB-6C505-515°C1甲酸甲脂IA甲硫醇3.921.8IA-53C石脑油0.716.538-43°C258°C吗琳1.810.8IC31-37.7C310°C紊0.925.9IIIA79-87C新己烷:1.1927.58-29C425C四段基银2344C60C硝基苯29IIIA88°C硝基甲烷7.322.235°C379°C辛烷1713°C异辛烷0.

11、795.94戊烷1.57.8IA-40to-49Cas2-Pentane0.184.4%260°C正戊烷1.47.8IA0.283.3%异戊烷1.3229.16IA420°C磷化氢IA丙烷2.19.5-10.1IA可燃气体0.255.2%(inpureoxygen0.0021)480°C乙酸丙脂2813°C丙烯2.011.1IA-108°C0.28458°C环氧丙烷2.336IA叱咤21220硅烷1.5298IA<21°C苯乙烯1.16.1IB31-32.2C490°C四氟乙烯IA四氢吠喃212IB-14C321°C甲苯1.2-1.276.75-7.1IB4.4C0.244.1%480°C;535°C1三乙基硼烷-20C-20C三甲基胺IA可燃气