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DINITROBENZENES, ALL ISOMERS†
| CAS # | 25154-54-5 |
|---|---|
| Formula |
C₆H₄N₂O₄ |
| Synonyms |
(o-, m-, p-)dinitrobenzene; (1,2-, 1,3-, 1,4-)dinitrobenzene |
| Physical description | Pale-white or yellow crystalline solid. | ||
|---|---|---|---|
| Boiling point | See individual isomers for properties | Molecular weight | |
| Freezing point/melting point | Vapor pressure | ||
| Flash point | Vapor density | ||
| Specific gravity | Ionization potential | ||
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 3 | NFPA fire rating | 1 |
| NFPA reactivity rating | 4 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | |||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | |||
| Sampling time* | |||
| Sampling volume (TWA)* | |||
| Sampling flow rate (TWA)* | |||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | |||
| Method reference | |||
| Notes | |||
| Special requirements |
* 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 | |
|---|---|
| Bulk Method |
| Device | Detector tube | Detector tube | Detector tubes | Detector tubes | Infrared spectrophotometers |
|---|---|---|---|---|---|
| Model/Type | Gastec 1L | Gastec 1LA | Dräger - 6733051, CH25601, CH20601 | Matheson-Kitagawa 8014-100, 8014-106S, 8014-106SA | Miran 1A & 1B; Miran 103 |
|
Sampling information (see manufacturer instructions) |
10-2000 ppm range | 8-1000 ppm range | 6733051: 2-300 ppm range; CH25601: 5-700 ppm range; CH20601: 10-3000 ppm range | 100: 5-1000 ppm range; 106S: 10-250 ppm range; 106SA: 5-1000 ppm range | Miran 1A & 1B: 2.1 ppm@4.7 µm; Miran 103: 0-100 ppm@4.61 µm |
|
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 |
|||||
|---|---|---|---|---|---|---|---|
| PEL-TWA |
1 mg/m³ |
REL-TWA |
1 mg/m³ |
TLV-TWA |
0.15 ppm (inhalable fraction and vapor) [1979] |
PEL-TWA |
0.15 ppm (1 mg/m³) |
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
| Notes: | Notes: |
Notes:
BEI® |
Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
50 mg/m³ |
|||||
| Carcinogenic classifications: EPA-D | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Dinitrobenzenes NIOSH: Pocket Guide to Chemical Hazards - o-Dinitrobenzene Literature References
|
Last Updated Date : 12/28/2020