|
|
 |
|
|
|
Substance
|
Explosion Prevention
|
|
|
|
L.E.L. /
Vol.-%
|
U.E.L. /
Vol.-%
|
Flash
Point / °C
|
Ignition
Temperature / °C
|
Temperature
Class
|
Group
|
Relative Density
air = 1
|
|
|
|
4.0
|
17.0
|
40
|
464
|
T1
|
IIA
|
---
|
|
|
|
2.5
|
13.0
|
-38
|
535
|
T1
|
IIA
|
2.00
|
|
|
|
3.0
|
16.0
|
2
|
523
|
T1
|
IIA
|
1.42
|
|
|
|
15.0
|
33.6
|
-
|
630
|
T1
|
IIA
|
0.59
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
1.38
|
|
|
|
3.9
|
77.8
|
-
|
285
|
-
|
-
|
2.69
|
|
|
|
1.2
|
8.6
|
-11
|
560
|
T1
|
IIA
|
2.70
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
4.05
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
2.37
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
5.52
|
|
|
|
6.7
|
11.3
|
<-20
|
511
|
T1
|
IIA
|
3.76
|
|
|
|
1.4
|
9.3
|
-80
|
372
|
T2
|
IIA
|
2.05
|
|
|
|
1.7
|
12.0
|
29
|
359
|
T2
|
IIA
|
2.56
|
|
|
|
1.7
|
9.8
|
24
|
405
|
T2
|
IIA
|
2.56
|
|
|
|
1.8
|
10.0
|
-9
|
404
|
T2
|
IIB
|
2.49
|
|
|
|
1.3
|
7.5
|
22
|
370
|
T2
|
IIA
|
4.01
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
1.53
|
|
|
|
10.9
|
74.0
|
-
|
805
|
T1
|
IIB
|
0.97
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
3.50
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
2.45
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
2.33
|
|
|
|
1.2
|
8.3
|
18
|
259
|
T3
|
IIA
|
2.90
|
|
|
|
1.4
|
8.0
|
-37
|
320
|
T2
|
IIA
|
2.42
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
0.96
|
|
|
|
13.0
|
22.0
|
-
|
556
|
T1
|
IIA
|
2.93
|
|
Dichlorotrifluoroethane (R123)
|
|
|
-
|
-
|
-
|
-
|
-
|
IIA
|
5.28
|
|
|
|
1.7
|
36.0
|
-45
|
160
|
T4
|
IIB
|
1.63
|
|
Difluorothane, 1,1-(R152a)
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
2.33
|
|
|
|
2.7
|
32.0
|
-42
|
240
|
T3
|
IIB
|
1.63
|
|
|
|
2.5
|
15.5
|
-
|
515
|
T1
|
IIA
|
1.04
|
|
|
|
2.8
|
18.0
|
<-20
|
295
|
T3
|
IIB
|
2.15
|
|
|
|
3.1
|
19.0
|
12
|
363
|
T2
|
IIA
|
1.59
|
|
|
|
2.3
|
36.0
|
-
|
425
|
T2
|
IIB
|
0.97
|
|
|
|
2.3
|
100.0
|
-
|
305
|
T2
|
IIC
|
0.91
|
|
|
|
2.2
|
11.0
|
-4
|
460
|
T1
|
IIA
|
3.04
|
|
|
|
2.6
|
100.0
|
<-18
|
435
|
T2
|
IIB
|
1.52
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
1.31
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
---
|
|
|
|
1.1
|
6.7
|
-4
|
215
|
T3
|
IIA
|
3.46
|
|
|
|
1.0
|
8.4
|
-21
|
233
|
T3
|
IIA
|
2.79
|
|
|
|
4.0
|
77.0
|
-
|
560
|
T1
|
IIC
|
0.07
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
0.93
|
|
|
|
5.4
|
46.0
|
< -20
|
538
|
T1
|
IIB
|
0.95
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
0.69
|
|
|
|
4.0
|
5.5
|
-
|
270
|
T3
|
IIB
|
1.19
|
|
|
|
1.8
|
8.1
|
4
|
467
|
T1
|
IIA
|
3.53
|
|
|
|
0.7
|
5.0
|
38
|
210
|
T3
|
IIA
|
---
|
|
|
|
4.4
|
17.0
|
-
|
537
|
T1
|
IIA
|
0.55
|
|
|
|
5.5
|
38.0
|
11
|
386
|
T2
|
IIA
|
1.11
|
|
|
|
3.2
|
16.0
|
-10
|
502
|
T1
|
IIA
|
2.56
|
|
Monochlorinedifluoromethan e (R22)
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
2.99
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
1.00
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
1.59
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
1.04
|
|
|
|
0.7
|
5.6
|
30
|
205
|
T3
|
IIB
|
5.71
|
|
|
|
0.8
|
6.5
|
13
|
206
|
T3
|
IIA
|
3.94
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
1.00
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
1.66
|
|
|
|
1.4
|
7.8
|
-40
|
258
|
T3
|
IIA
|
2.49
|
|
Phosphorus hydrogen (Phosphine)
|
|
|
1.0
|
-
|
-
|
100
|
-
|
-
|
1.18
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
4.74
|
|
|
|
1.7
|
10.9
|
-104
|
470
|
T1
|
IIA
|
1.55
|
|
|
|
2.2
|
17.5
|
22
|
405
|
T2
|
IIB
|
2.08
|
|
|
|
2.0
|
12.7
|
12
|
425
|
T2
|
IIA
|
2.08
|
|
|
|
2.0
|
11.0
|
-
|
455
|
T1
|
IIA
|
1.48
|
|
|
|
1.9
|
24.0
|
-37
|
420
|
T2
|
IIB
|
2.01
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
4.31
|
|
|
|
1.1
|
8.0
|
30
|
490
|
T1
|
IIA
|
3.59
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
2.21
|
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
5.04
|
|
Tetrafluoroethane (R143a)
|
|
|
-
|
-
|
-
|
-
|
-
|
-
|
3.45
|
|
|
|
1.5
|
12.4
|
-20
|
224
|
T3
|
IIB
|
3.53
|
|
|
|
1.1
|
7.6
|
4
|
535
|
T1
|
IIA
|
3.18
|
|
|
|
1.0
|
7.6
|
30
|
464
|
T1
|
IIA
|
3.67
|
|
|
