Chemical Respiratory Guide
Chemical Agent
CAS Number
Chemical Respiratory ChartDownload a printable version
| Chemical Name | CAS Number | Filter Type | Suggested Product | TLV(t) PEL(o) | IDLH | Comments |
|---|---|---|---|---|---|---|
| 1,1,2,2 Tetrachloroethane | 79-34-5 | OV | 7100 8100 | 1 ppm (t) 5 ppm (o) -skin- | 100ppm | t-A3 |
| 1,1,2,2-Tetrabromoethane | 79-27-6 | 7100 8100 | 1.4ppm (t)* 1ppm (o) | 8ppm | Measured as inhalable fraction and vapors | |
| 1,2 Dichloroethylene | 540-59-0, 156-59-2, 156-60-3 | OV | 7100 8100 | 200 ppm (o)(t) | 1,000 ppm | |
| 1,2,4-Trichlorobenzene | 120-82-1 | OV | 7100 8100 | 5 ppm (c)-(t) | ||
| 1,3-Butadiene | 106-99-0 | OV | 7100 8100 | 1 ppm (o)1,2;2 ppm (t) [5 ppm (s)(o)] | 2,000 ppm [10% Lower explosion limit] | See OSHA 1910.1051; t-A2 1) Replace cartridge every 4 hours for concentration > 5 ppm. 2) Replace cartridge every 3 hours for concentration> 10 ppm. |
| 1,3-Dichloro-5, 5-Dimethylhydantoin | 118-52-5 | OV/N | 7100+8910 8100+8910 | 0.2 mg/m3 (o)(t); 0.4 mg/m3 (s)(t) | 5 mg/m3 | |
| 1-Dodecanethiol | 112-55-0 | OV | 7100 8100 | 0.1 ppm (t) | R or P filter may be needed with oily aerosols | |
| 1-Nitropropane | 108-03-2 | OV | 7100 8100 | 25 ppm (t)(o) | 1000ppm | |
| 2 Diethylaminoethanol | 100-37-8 | OV | 7100 8100 | 10 ppm (o); 2 ppm (t); -skin- | 100 ppm | |
| 2,4,5-T | 93-76-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 10 mg/m3 (o)(t) | 250 mg/m3 | t-A4 |
