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 |
---|---|---|---|---|---|---|
2-Pentanone | 107-87-9 | FF-OV | 9001/2/3+ 7100 | 200 ppm (o) 150 ppm (s)-(t) | 1500 ppm | |
3,5 Dinitro-o-Toluamide | 148-01-6 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 1 mg/m3 (t) | t-A4 ACGIH NIC to 1mg/m3 | |
4, 41-Thiobis (6 Tert-Butyl-m-Cresol) | 96-69-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 10 mg/m3 (t), 15 mg/m3 (o); Respirable fraction 5mg/m3 | t-A4 | |
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 | |
4,6 Dinitro-o-Cresol | 534-52-1 | N | 2310/2315N99 2310/2315N99 | 0.2 mg/m3 (o)(t); -skin- | 5 mg/m3 | |
4-Methoxyphenol | 150-76-5 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | 5 mg/m3 (t) | ||
a-Alumina | 1344-28-1 | N | EZ22/EZ23N95 2200/2300N95 2600/2700N95 | Total dust 10mg/m3 (t), 15 mg/m3 (o); Respirable fraction 5mg/m3 (o) | Dust containing no asbestos and <1% Crystalline Silica t-A4 | |
a-Methyl Styrene | 98-83-9 | OV | 7100 8100 | 50 ppm (t); 100 ppm (s)-(t); 100 ppm (c)-(o) | 700 ppm | Add 8970 or 8940 if Particulate is present ACGIH NiC to 20ppm & T-A3 |
Acetaldehyde | 75-07-0 | FF-OV FF-Form | 9001/2/3+ 7100/7500 | 200 ppm (o) 25 ppm (c)-(t) | 2000 ppm | t-A3 Short service life for OV |
Acetic Acid | 64-19-7 | FF-OV | 9001/2/3+ 7100 | 10 ppm (o)(t) | 50 ppm |