Chemical Respiratory Guide
Chemical Agent
CAS Number

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Chemical Name | CAS Number | Filter Type | Suggested Product | TLV(t) PEL(o) | IDLH | Comments |
---|---|---|---|---|---|---|
Benzyl Chloride | 100-44-7 | FF-OV/AG | 9001/2/3+ 7300/7600 | 1 ppm (o)(t) | 10 ppm | t-A3 Add particulate prefilter if particulate is present |
n-Ethylmorpholine | 100-74-3 | FF-OV | 9001/2/3+ 7100 | 5 ppm (t) 20 ppm (o) -skin- | 100 ppm | |
Sulfur Monochloride | 10025-67-9 | FF-AG | 9001/2/3+ 7200/7300/ 7600 | 1 ppm(c)-(t) 1 ppm (o) | 5 ppm | |
Hydrogen Bromide | 10035-10-6 | AG | 7200 8200 | 3 ppm (o) 2 ppm (c)-(t) | 30 ppm | |
Chlorine Dioxide | 10049-04-4 | AG | 7200/8200 7600/8600 | 0.1 ppm (t)(o); 0.3 ppm (s)-(t) | 5 ppm | Chemical goggles required when using a half mask |
4,4-Methylenedianilene | 101-77-9 | NRP100 | 2730N100 2360P100 7940/7990 8940/7990 | 0.01 ppm (o); 0.1 ppm (t); 0.1 ppm (s)-(o); -skin- | Need OV/NRP100 if heat is involved. See 29 CFR 1910.1050; O-Ca; t-A3 | |
Phenyl Ether, Vapor | 101-84-8 | OV/N | 7100+8910 8100+8910 | 1 ppm (o)(t); 2 ppm (s)(t) | 100 ppm | |
Dicyclopentadienyl Iron | 102-54-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 10mg/m3 (t),15 mg/m3 (o); Respirable fraction 5 mg/m3 (o) | ||
sec-Butyl Acetate | 105-46-4 | FF-OV | 9001/2/3+ 7100 | 200 ppm (o)(t) | 1700 ppm [10%LEL] | Add particulate prefilter if particulate is present |
Caprolactam Vapor and Aerosol | 105-60-2 | OV/N | 7100+8910 8100+8910 | 5.0 mg/m3(t)*; 3.0 mg/m3 (s)-(t) | t-A5 *Measured as inhalable fraction and vapor |