2,4-DINITROTOLUENE

Chemical Identification
Chemical Identification
CAS # 121-14-2
Formula

C₇H₆N₂O₄

Synonyms

dinitrotoluol; DNT; methyldinitrobenzene [Note: Various isomers of DNT exist]

Physical Properties
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
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

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
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
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
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA REL-TWA TLV-TWA
 

 

PEL-TWA
 

 

PEL-STEL REL-STEL TLV-STEL
 

 

PEL-STEL
 

 

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

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Notes:
 

 

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

 

Additional Resources and Literature References
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