OXYGEN DIFLUORIDE†
Chemical Identification | |
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CAS # | 7783-41-7 |
Formula |
F₂O |
Synonyms |
difluorine monoxide; fluorine monoxide; oxygen fluoride |
Physical Properties | |||
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Physical description | Colorless, poisonous gas with a peculiar, foul odor. | ||
Boiling point | -230°F | Molecular weight | 54 |
Freezing point/melting point | -371°F | Vapor pressure | >1 atm |
Flash point | Vapor density | 1.88 | |
Specific gravity | Ionization potential | 13.11 eV | |
Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
NFPA health rating | NFPA fire rating | ||
NFPA reactivity rating | NFPA special instruction | ||
Vapor hazard ratio (VHR) | |||
Historical exceedance percentage | |||
Target organs |
Monitoring Methods Used by OSHA | ||||||
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Analyte code (IMIS no.) | ||||||
Sampling group | ||||||
Sampler/Sampling media | ||||||
Sampling time* | ||||||
Sampling volume (TWA)* | ||||||
Sampling flow rate (TWA)* | ||||||
Sampling volume (STEL/Peak/C)* | ||||||
Sampling flow rate (STEL/Peak/C)* | ||||||
Analytical method instruments | ||||||
Method reference | ||||||
Notes | ||||||
Special requirements |
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
Wipe Method | |
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Sampler/Sampling media |
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Bulk Method |
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On-Site Screening Techniques | ||||||
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Device | ||||||
Model/Type | ||||||
Sampling information (see manufacturer instructions) |
Exposure Limits | |||||||
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OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
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PEL-TWA |
0.05 ppm (0.1 mg/m³) |
REL-TWA |
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TLV-TWA |
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PEL-TWA |
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PEL-STEL |
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REL-STEL |
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TLV-STEL |
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PEL-STEL |
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PEL-C |
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REL-C |
0.05 ppm (0.1 mg/m³) |
TLV-C |
0.005 ppm [1983] |
PEL-C |
0.05 ppm (0.1 mg/m³) |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Notes: |
Notes:
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Notes:
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Notes:
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Health factors: See NIH-NLM PubChem. | IDLH |
0.5 ppm |
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Carcinogenic classifications: Not listed |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References |
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NOAA: CAMEO Chemicals - Oxygen difluoride NIOSH: Pocket Guide to Chemical Hazards - Oxygen difluoride Literature References
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Last Updated Date : 01/07/2021