1. OSHA Occupational Chemical Database
  2. FLUORINE
Label abbreviations descriptions

FLUORINE†

Chemical Identification
Chemical Identification
CAS # 7782-41-4
Formula

F₂
Synonyms
 

Fluorine-19
Physical Properties
Physical Properties
Physical description Pale-yellow to greenish gas with a pungent, irritating odor.
Boiling point -307°F Molecular weight 38
Freezing point/melting point -363°F Vapor pressure >1 atm
Flash point Vapor density
Specific gravity 1.5127 at -306.2°F Ionization potential 15.70 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 4 NFPA fire rating 0
NFPA reactivity rating 4 NFPA special instruction W: Reacts violently or explosively with water. OX: Possesses oxidizing properties.
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1270
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
 

Infrequently Requested Method - OSHA staff please contact SLTC before sampling 801-233-4900
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
 

0.1 ppm (0.2 mg/m³)

 REL-TWA
 

0.1 ppm (0.2 mg/m³)

 TLV-TWA
 

0.1 ppm [2018]

 PEL-TWA
 

0.1 ppm (0.2 mg/m³)
PEL-STEL
 

 

 REL-STEL
 

 

 TLV-STEL
 

 

 PEL-STEL
 

 
PEL-C
 

 

 REL-C
 

 

 TLV-C
 

0.5 ppm [2018]

 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:
 

 

 Notes:
 

 
Health factors:  See NIH-NLM PubChem. IDLH
 

25 ppm
Carcinogenic classifications: Not listed Notes:
 

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

0.5 ppm/5 ppm/20 ppm
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Fluorine

NIOSH: Pocket Guide to Chemical Hazards - Fluorine

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Fluorine. See annual publication for most recent information.
  • U.S. EPA Integrated Risk Information System: Fluorine (soluble fluoride); CASRN 7782-41-4.
  • Pohanish, R.P. (editor): Fluorine. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 1164-1166.

Last Updated Date : 01/29/2021