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DINITROTOLUENE†
| CAS # | 25321-14-6 |
|---|---|
| Formula |
C₇H₆N₂O₄ |
| Synonyms |
2,4-dinitrotoluene; dinitrotoluol; DNT; methyldinitrobenzene [note: various isomers of DNT exist] |
| 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 | 6.3 |
| Specific gravity | 1.32 | 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 | |||
| Analyte code (IMIS no.) | 0990 |
|---|---|
| Sampling group | |
| Sampler/Sampling media | OSHA versatile sampler (OVS-Tenax®) - 13 mm Tenax® tube (140/70 mg) with GFF enclosed [SKC 226-56] |
| Sampling time* | 60 min |
| Sampling volume (TWA)* | 60 L |
| Sampling flow rate (TWA)* | 1 L/min |
| Sampling volume (STEL/Peak/C)* | |
| Sampling flow rate (STEL/Peak/C)* | |
| Analytical method instruments | GC-TEA |
| Method reference | OSHA 44 (fully validated) |
| Notes | Lab modification of sample tube consists of an 8mm GFF disc placed inside tube ahead of first resin bed. |
| 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 | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
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 |
1.5 mg/m³ |
REL-TWA |
1.5 mg/m³ |
TLV-TWA |
0.2 mg/m³ [1993] |
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:
CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens. |
Notes:
BEI® |
Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
50 mg/m³ |
|||||
| Carcinogenic classifications: NIOSH-Ca, TLV-A3, EPA-B2 |
Notes:
Ca |
||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Dinitrotoluene NIOSH: Pocket Guide to Chemical Hazards - Dinitrotoluene Literature References
|
Last Updated Date : 12/28/2020