Tubes Handbook 18th Edition (EN) - May 2018

CAS – Number
Chemical Formula
Molecular Weight [Kg/Kmol]
AGW-Value ppm = [mL/m 3 ]
[mg/m 3 ]
Peak Limit
[ppm]
TLV-Value
TWA ppm = [mL/m 3 ]
[mg/m 3 ]
STEL ppm = [mL/m 3 ]
[mg/m 3 ]
WEL-Value
TWA ppm = [mL/m 3 ]
[mg/m 3 ]
STEL ppm = [mL/m 3 ]
[mg/m 3 ]
Conversion Factors
1 ppm = 1 mL/m 3 = [mg/m 3 ]
[1 mg/m 3 ] = ppm = mL/m 3
Vapor Pressure at 20°C [h Pa]
Relative Vapor Density
Melting Point
[°C]
Boiling Point
[°C]
UN – Number
Group & Hazard Class
Ignition Temperature [°C]
Lower Ignition Limit [Vol%]
Upper Ignition Limit [Vol%]
Odor threshold (approx.) ppm
Acetaldehyde
[75-07-0]
H 3 C-CHO
44.05
50
91
50 (15 min) 100 (peak)
18 (LOQ)
–
200 (OSHA)
360 (OSHA)
20
37
50
92
1.83
0.55
1006
1.52
-123
20
1089
B
155
4
57
0.2
Acetic Acid
[64-19-7]
H 3 C–COOH
60.05
10
25
20 (15 min)
10
25
15 (15 min)
37 (15 min)
[10]
[25]
[15]
[37]
2.5
0.40
15.8
2.07
17
118
2789
–
485
6
17
1
Acetone
[67-64-1]
H 3 C-CO-CH 3
58.08
500
1200
1000 (15 min)
250
590
–
–
500
1210
1500
3620
2.41
0.41
246
2.00
-95
56
1090
B
535
2.5
14.3
100
Acetylene
[74-86-2]
C 2 H 2
26.04
–
–
–
–
–
2500 (15 min)
2662 (15 min)
–
–
–
–
1.08
0.92
42473
0.91
-80.8
-83.8 subl.
1001
–
305
2.3
100
670 mg/m 3
408| Table of Physical. Chemical and Toxicological Data for selected Substances