CARBONYL FLUORIDE

Chemical Identification
Chemical Identification
CAS # 353-50-4
Formula

CF₂O

Synonyms

carbon difluoride oxide; carbon fluoride oxide; carbon oxyfluoride; carbonyl difluoride; fluoroformyl fluoride; fluorophosgene

Physical Properties
Physical Properties
Physical description Colorless gas with a pungent and very irritating odor.
Boiling point -118°F Molecular weight 66.01
Freezing point/melting point -173°F Vapor pressure 55.4 atm
Flash point Vapor density 1.139 at -173.2°F
Specific gravity Ionization potential 13.02 eV
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 4 NFPA fire rating 0
NFPA reactivity rating 0 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.) C105
Sampling group
Sampler/Sampling media Pre-assembled cassette with mixed cellulose ester filter (MCEF) 0.8 micron (37 mm) [MAWP037A0]
Sampling time*

60 min

Sampling volume (TWA)*

90 L

Sampling flow rate (TWA)*

1.5 L/min

Sampling volume (STEL/Peak/C)*

22.5 L

Sampling flow rate (STEL/Peak/C)*

1.5 L/min

Analytical method instruments ICP
Method reference OSHA ID-110 (fully validated)
Notes

Submit as a separate sample. If the filter is not overloaded, samples may be collected up to an 8-hour period. Hydrogen fluoride is collected on a Na₂CO₃ impregnated backup pad.

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

2 ppm (5 mg/m³)

TLV-TWA

2 ppm [1990]

PEL-TWA

2 ppm (5 mg/m³)

PEL-STEL REL-STEL

5 ppm (15 mg/m³)

TLV-STEL

5 ppm [1990]

PEL-STEL

5 ppm (15 mg/m³)

PEL-C REL-C TLV-C PEL-C
Skin notation

NA

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

Not established

Notes: Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Not listed 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 - Carbonyl fluoride

NIOSH: Pocket Guide to Chemical Hazards - Carbonyl fluoride

Literature References

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

Last Updated Date : 12/21/2020