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常见可燃气体的爆炸下限? |
常见可燃气体爆炸极限
出自国家计量检定规程JJG 693-2004 可燃气体检测报警器(内部使用)
序号 |
名称 |
化学式 |
在空气中爆炸限(体积分数)/% |
下限 |
上限 |
1 |
乙烷 |
C2H6 |
3.0 |
15.5 |
2 |
乙醇 |
C2H5OH |
3.4 |
19 |
3 |
乙烯 |
C2H4 |
2.8 |
32 |
4 |
氢 |
H2 |
4.0 |
75 |
5 |
硫化氢 |
H2S |
4.3 |
45 |
6 |
煤油 |
|
0.7 |
5 |
7 |
甲烷 |
CH4 |
5.0 |
15 |
8 |
甲醇 |
CH3OH |
5.5 |
44 |
9 |
丙醇 |
C3H7OH |
2.5 |
13.5 |
10 |
丙烷 |
C3H8 |
2.2 |
9.5 |
11 |
丙烯 |
C3H6 |
2.4 |
10.3 |
12 |
甲苯 |
C6H5CH3 |
1.2 |
7 |
13 |
二甲苯 |
C6H4(CH3)2 |
1.0 |
7.6 |
14 |
二氯乙烷 |
C2H4Cl2 |
5.6 |
16 |
15 |
二氯乙烯 |
C2H2Cl2 |
6.5 |
15 |
16 |
二氯丙烷 |
C3H6Cl2 |
3.4 |
14.5 |
17 |
乙醚 |
C2H5OC2H5 |
1.7 |
36 |
18 |
二甲醚 |
CH3OCH3 |
3.0 |
27.0 |
19 |
乙醛 |
CH3COH |
4.0 |
57 |
20 |
乙酸 |
CH3COOH |
4.0 |
17 |
21 |
丙酮 |
CH3COCH3 |
2.3 |
13 |
22 |
乙酰丙酮 |
(CH3CO)2CH2 |
1.7 |
|
23 |
乙酰氯 |
CH3COCl |
1.5 |
19 |
24 |
乙炔 |
C2H2 |
1.5 |
100 |
25 |
丙烯氰 |
CH2CHCN |
2.8 |
28 |
26 |
烯丙基氯 |
CH2CHCH2Cl |
3.2 |
11.2 |
27 |
甲基乙炔 |
CH2CCH |
1.7 |
|
28 |
氨 |
NH3 |
15 |
30.2 |
29 |
乙酸戊酯 |
CH3CO2C5H11 |
1.0 |
7.5 |
30 |
苯胺 |
C6H5NH2 |
1.2 |
11 |
31 |
苯 |
C6H6 |
1.2 |
8 |
32 |
苯甲酸 |
C6H5CHO |
1.4 |
|
33 |
苄基氯 |
C6H5CH2CI |
1.1 |
|
34 |
溴丁烷 |
C3H7CH2Br |
2.5 |
|
35 |
溴乙烷 |
CH3CH2Br |
6.7 |
11.3 |
36 |
丁二烯 |
CH2CHCHCH2 |
2.0 |
11.5 |
37 |
丁烷 |
C4H10 |
1.9 |
8.5 |
38 |
丁醇 |
C4H9OH |
1.8 |
11.3 |
39 |
丁烯 |
C4H8 |
1.6 |
9.3 |
40 |
丁醛 |
C3H3CHO |
1.4 |
12.5 |
41 |
丁酸丁酯 |
C3H3COOC4H9 |
1.2 |
8.0 |
42 |
丁基甲基酮 |
C4H9COCH3 |
1.2 |
8 |
43 |
二硫化碳 |
CS2 |
1.0 |
60 |
44 |
一氧化碳 |
CO |
12.5 |
74 |
45 |
氯苯 |
C6H5CI |
1.3 |
11 |
46 |
氯丁烷 |
C3H7CH2CI |
1.8 |
10.1 |
47 |
氯乙烷 |
CH3CH2CI |
3.8 |
15.4 |
48 |
氯乙烯 |
CH2CHCI |
3.8 |
31 |
49 |
氯代甲烷 |
CH3CI |
8.1 |
17.4 |
50 |
2-氯丙烷 |
CH3CHCICH3 |
2.6 |
11.1 |
51 |
甲(苯)酚 |
C6H5OH |
1.1 |
|
52 |
环丁烷 |
CH2CH2CH2CH2 |
1.8 |
|
53 |
环已烷 |
CH2(CH2)4CH2 |
1.2 |
8.3 |
54 |
环已醇 |
CH2(CH2)3CHOHCH2 |
1.2 |
|
55 |
环已酮 |
CH2(CH2)3COCH2 |
1.3 |
9.4 |
56 |
环丙烷 |
CH2CH2CH2 |
2.4 |
10.4 |
57 |
萘烷 |
C10H18 |
0.7 |
4.9 |
58 |
环己烯 |
CH2(CH2)2CHCHCH2 |
1.2 |
|
59 |
双丙酮醇 |
(CH3)2COHCH2COCH3 |
1.8 |
6.9 |
60 |
二丁醚 |
C4H9OC4H9 |
0.9 |
8.5 |
61 |
二氯(代)苯 |
C6H4CI2 |
2.2 |
9.2 |
62 |
二乙基胺 |
(C2H5)2NH |
1.7 |
10.1 |
63 |
二甲胺 |
(CH3)2NH |
2.8 |
14.4 |
64 |
二甲苯胺 |
(CH3)2C6H3NH2 |
1.2 |
7 |
65 |
二氧杂环已烷 |
(CH2)4O2 |
1.9 |
22.5 |
66 |
环氧丙烷 |
OCH2CH2CH2 |
1.9 |
37 |
67 |
乙氧基乙醇 |
C2H5OCH2CH2OH |
1.8 |
15.7 |
68 |
乙酸乙酯 |
CH3COOC2H5 |
2.1 |
11.5 |
69 |
丙烯酸乙酯 |
CH2CHCO2C2H5 |
1.7 |
13 |
70 |
苯乙烷 |
C6H5C2H5 |
1.0 |
7.8 |
71 |
环氧乙烷 |
CH2CH2O |
2.6 |
100 |
72 |
乙硫醇 |
C2H6S |
2.8 |
18 |
73 |
乙基甲基醚 |
C2H5OCH3 |
2.0 |
10.1 |
74 |
乙基甲基酮 |
C2H5COCH3 |
1.8 |
11.5 |
75 |
甲醛 |
HCHO |
7.0 |
73 |
76 |
轻油 |
|
0.9 |
6 |
77 |
硝基苯 |
C6H5NO2 |
1.8 |
|
78 |
硝基甲烷 |
CH3NO2 |
7.1 |
63 |
79 |
苯酚 |
C6H5OH |
1.3 |
9.5 |
80 |
苯乙烯 |
C6H5CHCH2 |
1.1 |
8.0 |
81 |
乙苯 |
C6H5C2H5 |
1.0 |
78 |
82 |
甲酸乙酯 |
HCOOC2H5 |
2.7 |
16.5 |
83 |
对二恶烷 |
C4H8O2 |
2.0 |
22 |
84 |
异丁烷 |
C4H10 |
1.8 |
8.4 |
85 |
萘 |
C10H8 |
0.9 |
5.9 |
86 |
壬烷 |
CH3(CH2)7CH3 |
0.7 |
5.6 |
87 |
壬醇 |
CH3(CH2)7CH2OH |
0.8 |
6.1 |
88 |
仲醛 |
(C2H4O)3 |
1.3 |
|
89 |
戊烷 |
C5H12 |
1.1 |
8.0 |
90 |
戊醇 |
C5H11OH |
1.2 |
10.5 |
91 |
丙胺 |
C3H7NH2 |
2.0 |
10.4 |
92 |
丙基甲基酮 |
C3H7COCH3 |
1.5 |
8.2 |
93 |
吡碇 |
C5H5N |
1.7 |
12.0 |
94 |
四氢呋喃 |
C4H8O |
2.0 |
12.4 |
95 |
四氢糠醇 |
C4H7OCH2OH |
1.5 |
9.7 |
96 |
三乙胺 |
(C2H5)3N |
1.2 |
8 |
97 |
三甲胺 |
(CH3)3N |
2.0 |
11.6 |
98 |
三氧杂环已烷 |
(CH2O)3 |
3.0 |
29 |
99 |
松节油 |
|
0.8 |
|
100 |
已烷 |
C6H14 |
1.2 |
7.4 |
101 |
已醇 |
C6H13OH |
1.2 |
|
102 |
庚烷 |
CH3(CH2)3CH3 |
1.1 |
6.7 |
103 |
甲氧乙醇 |
CH3OC2H4OH |
2.5 |
14 |
104 |
乙酸甲酯 |
CH3CO2CH3 |
3.1 |
16 |
105 |
丙烯酸甲酯 |
CH2CHCO2CH3 |
2.4 |
25 |
106 |
甲胺 |
CH3NH2 |
4.9 |
20.7 |
107 |
甲基环乙烷 |
CH3C6H11 |
1.15 |
6.7 |
108 |
甲酸甲酯 |
HCO2CH3 |
5 |
23 |
109 |
乙胺 |
C2H7N |
3.5 |
14.0 |
110 |
乙晴 |
C2H3N |
4.4 |
16.0 |
111 |
乙酸酐 |
C2H6O3 |
2.9 |
10.3 |
112 |
(正)葵烷 |
C10H22 |
0.8 |
5.4 |
113 |
丙醛 |
C3H6O |
2.9 |
17 |
114 |
丙烯醛 |
C3H4O |
2.8 |
31 |
115 |
甲醚 |
C2H6O |
3.4 |
18 |
116 |
甲硫醇 |
CH4S |
3.9 |
21.8 |
117 |
甲基亚枫 |
C2H6O2 |
2.6 |
28.5 |
118 |
异丙醇 |
C3H8O |
2.3 |
12.7 |
119 |
异丁醇 |
C4H10O |
1.7 |
10.9 |
120 |
异丙醚 |
C$H14O |
1.4 |
21 |
121 |
异丙胺 |
C3H9N |
2.0 |
10.4 |
122 |
(正)辛烷 |
C8H18 |
1.0 |
4.66 |
123 |
肼 |
N2H4 |
4.7 |
100 |
124 |
硫化羰 |
COS |
12 |
29 |
125 |
氯丙烷 |
C3H7CI |
2.6 |
11.1 |
126 |
3-氯丙烯 |
C3H5CI |
3.3 |
11.1 |
127 |
溴甲烷 |
CH3Br |
10 |
16 |
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