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 |
|---|---|---|---|---|---|---|
| Petroleum Distillates (Naptha) | 8002-05-9 | OV | 7100 8100 | 500 ppm (o) | 1,100 ppm; [10% Lower explosion limit] | Odors vary. Must have good warning properties to use 8100. Specific TLV’s apply |
| Graphite (Natural) | 7782-42-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 2.0 mg/m3 (t)* (all forms exept graphite fibers); 15MPPCF(o) | 1,250 mg/m3 | *Respirable particulate fraction |
| Isopropyl Ether | 108-20-3 | OV | 7100 8100 | 500 ppm (o); 250 ppm (t); 310 ppm (s)-(t) | 1,400 ppm; [10% Lower explosion limit] | |
| Mica (less than 1% quartz) | 12001-26-2 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 20 mppcf (o);** 3 mg/m3 (t)* | 1,500 mg/m3 | Does not include strearates of toxic metals; *Respirable; Particulate containing no Asbestos and <1% Crystalline Silica ** <1% Silica |
| Ammonium Sulfamate | 7773-06-0 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total Dust 10mg/m3 (t), 15mg/m3 (o); Respirable fraction 5mg/m3 (o) | 1,500mg/m | |
| Benzoyl Peroxide | 94-36-0 | OV/N | 8100+8910 7100+8910 | 5mg/m3 (o)(t) | 1,500mg/m3 | t-A4 |
| 2-Hexanone | 591-78-6 | OV | 7100 8100 | 5 ppm (t);100 ppm (o); 10 ppm (s)-(t); -skin- | 1,600 ppm | |
| Carbon Black | 1333-86-4 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 3.5 mg/m3 (o)(t) | 1,750 mg/m3 | t-A4 ACGIH NIC to 3mg/m3 measured as inhalable fraction & NIC t-A3 |
| Ethyl Ether | 60-29-7 | OV | 7100 8100 | 400 ppm (o)(t); 500 ppm (s)-(t) | 1,900 ppm [10% Lower explosion limit] | Short service life; t-A4 |
| Uranium (Natural)*, Soluble Compounds (as U) | 7440-61-1 | AG/P100 | 7200+7940 8200+8940 | 0.05 mg/m3(o); 0.2 mg/m3 (t); 0.6 mg/m3 (s)-(t) | 10 mg/m3 (as U) {water soluble} | t-A1 Refer to 10CR20 Subpart H |
