2,4-DINITROTOLUENE
| Chemical Identification | |
|---|---|
| CAS # | 121-14-2 |
| Formula |
C₇H₆N₂O₄ |
| Synonyms |
dinitrotoluol; DNT; methyldinitrobenzene [Note: Various isomers of DNT exist] |
| Physical Properties | |||
|---|---|---|---|
| Physical description | Orange-yellow crystalline solid with a characteristic odor. | ||
| Boiling point | 572°F | Molecular weight | 182.2 |
| Freezing point/melting point | 158°F | Vapor pressure | 1 mmHg |
| Flash point | 404°F | Vapor density | 6.27 |
| Specific gravity | 1.379 | Ionization potential | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | 3 | NFPA fire rating | 1 |
| NFPA reactivity rating | 3 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Monitoring Methods Used by OSHA | ||||||
|---|---|---|---|---|---|---|
| Analyte code (IMIS no.) | 0990 | |||||
| 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 | See DINITROTOLUENE |
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| 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 Method | |
|---|---|
| Sampler/Sampling media | |
| Bulk Method |
|---|
| On-Site Screening Techniques | ||||||
|---|---|---|---|---|---|---|
| Device | ||||||
| Model/Type | ||||||
|
Sampling information (see manufacturer instructions) |
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| Exposure Limits | |||||||
|---|---|---|---|---|---|---|---|
|
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 | REL-TWA | TLV-TWA |
|
PEL-TWA |
|
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| PEL-STEL | REL-STEL | TLV-STEL |
|
PEL-STEL |
|
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| PEL-C | REL-C |
|
TLV-C |
|
PEL-C |
|
|
| Skin notation |
NA |
Skin notation |
NA |
Skin notation |
NA |
Skin notation |
NA |
|
Notes:
Not established |
Notes:
Not established |
Notes:
Not established |
Notes:
Not established |
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| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: |
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 |
|---|
|
NOAA: CAMEO Chemicals - Dinitrotoluenes, molten NIOSH: Pocket Guide to Chemical Hazards - Not listed Literature References See also DINITROTOLUENE [25321-14-6] |
Last Updated Date : 12/15/2020