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Table:  Exposure Limits for Safeguarding Health; Organic Compounds
Table Type: Interactive Table
Total Number of Rows: 486
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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.
Sorted Ascending Sorted Ascending
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
Sorted Ascending Sorted Ascending
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.

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