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| Oxygen difluoride | CAS 7783-41-7 | ||
| OF2 | RTECS RS2100000 | ||
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Synonyms & Trade Names Difluorine monoxide, Fluorine monoxide, Oxygen fluoride |
DOT ID & Guide 2190 124 |
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Exposure Limits |
NIOSH REL: C 0.05 ppm (0.1 mg/m3) | ||
| OSHA PEL�: TWA 0.05 ppm (0.1 mg/m3) | |||
| IDLH 0.5 ppm | 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 |
BP: -230°F |
FRZ: -371°F |
Sol: 0.02% |
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VP: >1 atm |
IP: 13.11 eV |
RGasD: 1.88 |
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Fl.P: NA |
UEL: NA |
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 |
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Personal Protection & Sanitation Skin: No recommendation Eyes: No recommendation Wash skin: No recommendation Remove: No recommendation Change: No recommendation |
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 |
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| Exposure Routes inhalation, skin and/or eye contact | |
| 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 |