Oxygen difluoride
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CAS
7783-41-7
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OF2
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RTECS
RS2100000
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Synonyms & Trade Names
Difluorine monoxide, Fluorine monoxide, Oxygen fluoride
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DOT ID & Guide
2190 / 124
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Exposure
Limits
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NIOSH REL: C 0.05 ppm (0.1 mg/m3)
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OSHA PEL†: TWA 0.05 ppm (0.1 mg/m3)
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IDLH
0.5 ppm
See: 7783417
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Conversion
1 ppm = 2.21 mg/m3
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Physical Description
Colorless gas with a peculiar, foul odor. [Note: Shipped as a nonliquefied compressed gas.]
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MW: 54.0
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BP: -230°F
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FRZ: -371°F
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Sol: 0.02%
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VP: >1 atm
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IP: 13.11 eV
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RGasD: 1.88
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Fl.P: NA
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UEL: NA
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LEL: NA
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Nonflammable Gas, but a strong oxidizer.
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Incompatibilities & Reactivities
Combustible materials, chlorine, bromine, iodine, platinum, metal oxides, moist air, hydrogen sulfide, hydrocarbons, water [Note: Reacts very slowly with water to form hydrofluoric acid.]
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Measurement Methods
None available
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
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Respirator Recommendations
NIOSH/OSHA
Up to 0.5 ppm:
(APF = 10) Any supplied-air respirator
(APF = 50) Any self-contained breathing apparatus with a full facepiece
Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern¿/Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
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Exposure Routes
inhalation, skin and/or eye contact
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Symptoms
Irritation eyes, skin, respiratory system; headache; pulmonary edema; eye, skin burns (from contact with the gas under pressure)
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Target Organs
Eyes, skin, respiratory system
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See also: INTRODUCTION
See ICSC CARD: 0818 See MEDICAL TESTS: 0171
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