 |
no. |
mol. formula |
material or substance name |
CAS Registry no. |
threshold limit (vol basis), ACGIH
(ppmv) |
threshold limit (mass basis), ACGIH
(mg/m3) |
permissible exposure limit (vol basis), OSHA
(ppmv) |
permissible exposure limit (mass basis), OSHA
(mg/m3) |
recommended exposure limit (vol basis), NIOSH
(ppmv) |
recommended exposure limit (mass basis),
NIOSH (mg/m3) |
max. workplace conc. (vol basis), Germany
(ppmv) |
max. workplace conc. (mass basis), Germany
(mg/m3) |
no. |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
1 |
C |
graphite |
7782-42-5 |
|
2 |
|
|
|
2.5 |
|
6 |
1 |
|
|
2 |
CBrF2 |
dibromodifluoromethane |
75-61-6 |
100 |
858 |
100 |
860 |
100 |
860 |
100 |
860 |
2 |
|
|
3 |
CBrF3 |
bromotrifluoromethane |
75-63-8 |
1000 |
6090 |
1000 |
6100 |
1000 |
6100 |
1000 |
6100 |
3 |
|
|
4 |
CBr4 |
carbon tetrabromide |
558-13-4 |
0.1 |
1.4 |
|
|
0.1 |
1.4 |
|
|
4 |
|
|
5 |
CClF3 |
chlorotrifluoromethane |
75-72-9 |
|
|
|
|
|
|
1000 |
4330 |
5 |
|
|
6 |
CCl2F2 |
dichlorodifluoromethane |
75-71-8 |
1000 |
4950 |
1000 |
4950 |
1000 |
4950 |
1000 |
5000 |
6 |
|
|
7 |
CCl2O |
phosgene |
75-44-5 |
0.1 |
0.4 |
0.1 |
0.4 |
0.1 |
0.4 |
0.02 |
0.08 |
7 |
|
|
8 |
CCl3F |
trichlorofluoromethane |
75-69-4 |
|
|
1000 |
5600 |
|
|
1000 |
5600 |
8 |
|
|
9 |
CCl3NO2 |
chloropicrin |
76-06-2 |
0.1 |
0.67 |
0.1 |
0.7 |
0.1 |
0.7 |
0.1 |
0.7 |
9 |
|
|
10 |
CCl4 |
carbon tetrachloride |
56-23-5 |
5 |
31 |
10 |
|
|
|
10 |
65 |
10 |
|
|
11 |
CCl4S |
perchloromethyl mercaptan |
594-42-3 |
0.1 |
0.76 |
0.1 |
0.8 |
0.1 |
0.8 |
|
|
11 |
|
|
12 |
CF2O |
carbonyl fluoride |
353-50-4 |
2 |
5.4 |
|
|
2 |
5 |
|
|
12 |
|
|
13 |
CHBr3 |
tribromomethane |
75-25-2 |
0.5 |
5.2 |
0.5 |
5 |
0.5 |
5 |
|
|
13 |
|
|
14 |
CHClF2 |
chlorodifluoromethane |
75-45-6 |
1000 |
3540 |
|
|
1000 |
3500 |
500 |
1800 |
14 |
|
|
15 |
CHCl2F |
dichlorofluoromethane |
75-43-4 |
10 |
42 |
1000 |
4200 |
10 |
40 |
10 |
45 |
15 |
|
|
16 |
CHCl3 |
chloroform |
67-66-3 |
10 |
49 |
|
|
|
|
10 |
50 |
16 |
|
|
17 |
CHI3 |
triiodomethane |
75-47-8 |
0.6 |
10 |
|
|
0.6 |
10 |
|
|
17 |
|
|
18 |
CHN |
hydrogen cyanide |
74-90-8 |
|
|
10 |
11 |
|
|
10 |
11 |
18 |
|
|
19 |
CH2BrCl |
bromochloromethane |
74-97-5 |
200 |
1060 |
200 |
1050 |
200 |
1050 |
200 |
1500 |
19 |
|
|
20 |
CH2Cl2 |
dichloromethane |
75-09-2 |
50 |
174 |
25 |
|
|
|
100 |
350 |
20 |
|
|
21 |
CH2N2 |
cyanamide |
420-04-2 |
|
2 |
|
|
|
2 |
|
|
21 |
|
|
22 |
CH2N2 |
diazomethane |
334-88-3 |
0.2 |
0.34 |
0.2 |
0.4 |
0.2 |
0.4 |
|
|
22 |
|
|
23 |
CH2O |
formaldehyde |
50-00-0 |
|
|
0.75 |
|
0.016 |
|
0.5 |
0.6 |
23 |
|
|
24 |
CH2O2 |
formic acid |
64-18-6 |
5 |
9.4 |
5 |
9 |
5 |
9 |
5 |
9 |
24 |
|
|
25 |
CH3Br |
methyl bromide |
74-83-9 |
1 |
3.9 |
|
|
|
|
|
|
25 |
|
|
26 |
CH3Cl |
methyl chloride |
74-87-3 |
50 |
103 |
100 |
205 |
|
|
50 |
105 |
26 |
|
|
27 |
CH3Hg |
methylmercury |
22967-92-6 |
|
0.01 |
|
0.01 |
|
0.01 |
|
0.01 |
27 |
|
|
28 |
CH3I |
methyl iodide |
74-88-4 |
2 |
12 |
5 |
28 |
2 |
10 |
|
|
28 |
|
|
29 |
CH3NO |
formamide |
75-12-7 |
10 |
18 |
|
|
10 |
15 |
|
|
29 |
|
|
30 |
CH3NO2 |
nitromethane |
75-52-5 |
20 |
50 |
100 |
250 |
|
|
100 |
250 |
30 |
|
|
31 |
CH4O |
methanol |
67-56-1 |
200 |
262 |
200 |
260 |
200 |
260 |
200 |
260 |
31 |
|
|
32 |
CH4S |
methyl mercaptan |
74-93-1 |
0.5 |
0.98 |
|
|
|
|
0.5 |
1 |
32 |
|
|
33 |
CH5N |
methylamine |
74-89-5 |
5 |
6.4 |
10 |
12 |
10 |
12 |
10 |
12 |
33 |
|
|
34 |
CH6N2 |
methylhydrazine |
60-34-4 |
0.01 |
0.019 |
|
|
|
|
|
|
34 |
|
|
35 |
CNK |
potassium cyanide |
151-50-8 |
|
|
|
5 |
|
|
|
5 |
35 |
|
|
36 |
CNNa |
sodium cyanide |
143-33-9 |
|
|
|
5 |
|
|
|
5 |
36 |
|
|
37 |
CN4O8 |
tetranitromethane |
509-14-8 |
0.005 |
0.04 |
1 |
8 |
1 |
8 |
|
|
37 |
|
|
38 |
CO |
carbon monoxide |
630-08-0 |
25 |
29 |
50 |
55 |
35 |
40 |
30 |
33 |
38 |
|
|
39 |
CO2 |
carbon dioxide |
124-38-9 |
5000 |
9000 |
5000 |
9000 |
5000 |
9000 |
5000 |
9000 |
39 |
|
|
40 |
CS2 |
carbon disulfide |
75-15-0 |
10 |
31 |
20 |
|
1 |
3 |
10 |
30 |
40 |
|
|
41 |
C2ClF4 |
1,2-dichlorotetrafluoroethane |
76-14-2 |
1000 |
6990 |
1000 |
7000 |
1000 |
7000 |
1000 |
7000 |
41 |
|
|
42 |
C2ClF5 |
chloropentafluoroethane |
76-15-3 |
1000 |
6320 |
|
|
1000 |
6320 |
|
|
42 |
|
|
43 |
C2Cl3F3 |
1,1,2-trichlorotrifluoroethane |
76-13-1 |
1000 |
7670 |
1000 |
7600 |
1000 |
7600 |
500 |
3800 |
43 |
|
|
44 |
C2Cl4 |
tetrachloroethylene |
127-18-4 |
25 |
170 |
100 |
|
|
|
50 |
345 |
44 |
|
|
45 |
C2Cl4F2 |
1,1-difluorotetrachloroethane |
76-11-9 |
500 |
4170 |
500 |
4170 |
500 |
4170 |
1000 |
8340 |
45 |
|
|
46 |
C2Cl4F2 |
1,1,2,2-tetrachlorodifluoroethane |
76-12-0 |
500 |
4170 |
500 |
4170 |
500 |
4170 |
200 |
1690 |
46 |
|
|
47 |
C2Cl6 |
hexachloroethane |
67-72-1 |
1 |
9.7 |
1 |
10 |
1 |
10 |
1 |
10 |
47 |
|
|
48 |
C2HBrClF3 |
halothane |
151-67-7 |
50 |
404 |
|
|
|
|
5 |
40 |
48 |
|
|
49 |
C2HCl3 |
trichloroethylene |
79-01-6 |
50 |
269 |
100 |
|
|
|
|
|
49 |
|
|
50 |
C2HCl3O2 |
trichloroacetic acid |
76-03-9 |
1 |
6.7 |
|
|
1 |
7 |
|
|
50 |
|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
no. |
mol. formula |
material or substance name |
CAS Registry no. |
threshold limit (vol basis), ACGIH
(ppmv) |
threshold limit (mass basis), ACGIH
(mg/m3) |
permissible exposure limit (vol basis),
OSHA (ppmv) |
permissible exposure limit (mass
basis), OSHA (mg/m3) |
recommended exposure limit (vol basis),
NIOSH (ppmv) |
recommended exposure limit (mass
basis), NIOSH (mg/m3) |
max. workplace conc. (vol basis),
Germany (ppmv) |
max. workplace conc. (mass basis),
Germany (mg/m3) |
no. |
 |