Label abbreviations descriptions

2,4,6-TRINITROTOLUENE†

Chemical Identification
CAS # 118-96-7
Formula

C₇H₅N₃O₆
Synonyms

1-methyl-2,4,6-trinitrobenzene; TNT; trinitrotoluene; sym-trinitrotoluene; trinitrotoluol

Physical Properties
Physical description Colorless to pale-yellow, odorless solid or crushed flakes.
Boiling point 464°F (explodes) Molecular weight 227.15
Freezing point/melting point 177.6°F Vapor pressure 0.0002 mmHg
Flash point explodes Vapor density
Specific gravity 1.65 Ionization potential 10.59 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 2530
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

The air sampling pump must be certified by NIOSH and MSHA as safe for use in coal mines.
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.

Bulk/Wipe Method
Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)

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

1.5 mg/m³

 REL-TWA

0.5 mg/m³

 TLV-TWA
 

0.1 mg/m³ (inhalable fraction and vapor) [1984]

 PEL-TWA
 

0.5 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:

See 29 CFR 1910.1000 Table Z-1.

 Notes:
 

 

 Notes:
 

BEI®

 Notes:
 

 
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: IARC-3, EPA-C Notes:
 

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

 

Additional Resources and Literature References

Last Updated Date : 12/15/2020