NITROGEN TRIFLUORIDE†

Chemical Identification
Chemical Identification
CAS # 7783-54-2
Formula
 

F₃N

Synonyms
 

nitrogen fluoride; trifluoramine; trifluorammonia

Physical Properties
Physical Properties
Physical description Colorless gas with a moldy odor.
Boiling point -200°F Molecular weight 71
Freezing point/melting point -343.8°F Vapor pressure >1 atm
Flash point Vapor density 2.902
Specific gravity Ionization potential 12.97 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
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1907
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 Method
Wipe Method
Sampler/Sampling media
 

 

Bulk Method
Bulk Method
 

 

On-Site Screening Techniques
On-Site Screening Techniques
Device Infrared spectrophotometer Infrared spectrophotometer
Model/Type Miran 1A & 1B Miran 103
Sampling information
(see manufacturer instructions)
0.05 ppm@11 µm 0-20 ppm@11 µm
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
 

10 ppm (29 mg/m³)

REL-TWA
 

10 ppm (29 mg/m³)

TLV-TWA
 

10 ppm [1992]

PEL-TWA
 

10 ppm (29 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Notes:
 

See 29 CFR 1910.1000 Table Z-1.

Notes:
 

 

Notes:
 

BEI®

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 

1000 ppm

Carcinogenic classifications: Not listed Notes:
 

 

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

200 ppm/400 ppm/800 ppm

Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Nitrogen trifluoride

NIOSH: Pocket Guide to Chemical Hazards - Nitrogen trifluoride

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Nitrogen trifluoride. See annual publication for most recent information.

Last Updated Date : 01/05/2021