NIOSH logo and tagline

Carbonyl fluoride

Related Pages
Synonyms & Trade Names
Carbon difluoride oxide, Carbon fluoride oxide, Carbon oxyfluoride, Carbonyl difluoride, Fluoroformyl fluoride, Fluorophosgene
CAS No.
353-50-4
RTECS No.
FG6125000
DOT ID & Guide
2417 125
Formula
COF₂
Conversion
1 ppm = 2.70 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 2 ppm (5 mg/m3) ST 5 ppm (15 mg/m3)
OSHA PEL
none See Appendix G
Measurement Methods
None available
See: NMAM or OSHA Methods
Physical Description
Colorless gas with a pungent and very irritating odor. [Note: Shipped as a liquefied compressed gas.]
Molecular Weight
66.0
Boiling Point
-118°F
Freezing Point
-173°F
Solubility
Reacts
Vapor Pressure
55.4 atm
Ionization Potential
13.02 eV
Flash Point
NA
Upper Explosive Limit
NA
Lower Explosive Limit
NA
Relative Gas Density
2.29
Nonflammable Gas
Incompatibilities & Reactivities
Heat, moisture, hexafluoroisopropyl-ideneamino-lithium [Note: Reacts with water to form hydrogen fluoride & carbon dioxide.]
Exposure Routes
inhalation, skin and/or eye contact
Symptoms
irritation eyes, skin, mucous membrane, respiratory system; eye, skin burns; lacrimation (discharge of tears); cough, pulmonary edema, dyspnea (breathing difficulty); chronic exposure: gastrointestinal pain, muscle fibrosis, skeletal fluorosis; liquid: frostbite
Target Organs
Eyes, skin, respiratory system, bone
Personal Protection/Sanitation
(See protection codes)
Skin:Frostbite
Eyes:Frostbite
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation
Provide:Frostbite wash
First Aid
(See procedures)
Eye:Frostbite
Skin:Frostbite
Breathing:Respiratory support
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0633
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health