Oxygen difluoride |
Synonyms & Trade Names Difluorine monoxide, Fluorine monoxide, Oxygen fluoride |
CAS No. 7783-41-7 |
RTECS No. RS2100000 |
DOT ID & Guide 2190 124 |
FormulaOF2 |
Conversion 1 ppm = 2.21 mg/m3 |
IDLH 0.5 ppm
See: 7783417 |
Exposure Limits NIOSH REL: C 0.05 ppm (0.1 mg/m3)
OSHA PEL†: TWA 0.05 ppm (0.1 mg/m3) |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Colorless gas with a peculiar, foul odor. [Note: Shipped as a nonliquefied compressed gas.] |
MW: 54.0 |
BP: -230°F |
FRZ: -371°F |
Sol: 0.02% |
VP: >1 atm |
IP: 13.11 eV |
|
Fl.P: NA |
UEL: NA |
LEL: NA |
RGasD: 1.88 |
|
| 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.] |
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 |
|
Personal Protection/Sanitation (See protection codes)
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
|
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 |
| See also: INTRODUCTION See ICSC CARD: 0818 See MEDICAL TESTS: 0171 |
