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Oxygen difluoride |
CAS 7783-41-7 | ||
OF2 |
RTECS RS2100000 | ||
Synonyms & Trade Names Difluorine monoxide, Fluorine monoxide, Oxygen fluoride |
DOT ID & Guide 2190 124 |
Exposure
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NIOSH REL: C 0.05 ppm (0.1 mg/m3) | ||
OSHA PEL†: TWA 0.05 ppm (0.1 mg/m3) | |||
IDLH 0.5 ppm See: 7783417 | Conversion 1 ppm = 2.21 mg/m3 |
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% |
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. | |||
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.] |
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 |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support |
Important additional information about respirator selection 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) | |
Target Organs
Eyes, skin, respiratory system |
See also: INTRODUCTION See ICSC CARD: 0818 See MEDICAL TESTS: 0171 |