NITROBENZENE†
| CAS # | 98-95-3 |
|---|---|
| Formula |
C₆H₅NO₂ |
| Synonyms |
essence of mirbane; nitrobenzol; oil of mirbane |
| Physical description | Yellow to dark brown, oily liquid with a pungent odor like paste shoe polish. | ||
|---|---|---|---|
| Boiling point | 411°F | Molecular weight | 123.11 |
| Freezing point/melting point | 42°F | Vapor pressure | 0.3 mmHg at 77°F |
| Flash point | 190°F | Vapor density | 4.3 |
| Specific gravity | 1.20 | Ionization potential | 9.92 eV |
| Lower explosive limit (LEL) | 1.8% at 200°F | Upper explosive limit (UEL) | 1.8% |
| NFPA health rating | 3 | NFPA fire rating | 2 |
| NFPA reactivity rating | 1 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 1870 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | Silica gel tube (150/75 mg) [SKC 226-10] | ||
| Sampling time* |
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| Sampling volume (TWA)* |
10-150 L |
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| Sampling flow rate (TWA)* |
0.01-1 L/min |
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| Sampling volume (STEL/Peak/C)* |
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| Sampling flow rate (STEL/Peak/C)* |
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| Analytical method instruments | GC-FID | ||
| Method reference | NIOSH 2005 (fully validated) | ||
| Notes |
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| Special requirements |
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* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
| Wipe Sampler/Sampling media |
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|---|---|
| Bulk Method |
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| Device | Infrared spectrophotometer | ||||
|---|---|---|---|---|---|
| Model/Type | Miran 1A & 1B | ||||
|
Sampling information (see manufacturer instructions) |
0.9 ppm@11.9µm |
|
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
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|---|---|---|---|---|---|---|---|
| PEL-TWA |
1 ppm (5 mg/m³) |
REL-TWA |
1 ppm (5 mg/m³) |
TLV-TWA |
1 ppm [1992] |
PEL-TWA |
1 ppm (5 mg/m³) |
| PEL-STEL |
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REL-STEL |
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TLV-STEL |
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PEL-STEL |
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| PEL-C |
|
REL-C |
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TLV-C |
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PEL-C |
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| Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
| Notes: |
Notes:
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Notes:
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Notes:
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| Health factors: See NIH-NLM PubChem. | IDLH |
200 ppm |
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| Carcinogenic classifications: IARC-2B, TLV-A3, EPA-L, NTP-R |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References
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NOAA: CAMEO Chemicals - Nitrobenzene NIOSH: Pocket Guide to Chemical Hazards - Nitrobenzene Literature References
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Last Updated Date : 01/05/2021