OXYGEN
Chemical Identification | |
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CAS # | 7782-44-7 |
Formula |
O₂ |
Synonyms |
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Physical Properties | |||
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Physical description | Colorless, odorless and tasteless gas. | ||
Boiling point | -297.3°F | Molecular weight | 32 |
Freezing point/melting point | -361°F | Vapor pressure | |
Flash point | Vapor density | ||
Specific gravity | 1.14 at -297.4°F | Ionization potential | |
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 | Detector tube | Detector tube | Detector tube | Detector tube | Detector tube | CMS Chip |
Model/Type | Dräger - Oxygen 5%/B, 6728081 | Dräger - Oxygen 5%/C, 8103261 | Gastec 31B | Matheson-Kitagawa 8014-159SA | Matheson-Kitagawa 8014-159SB, 8014-159SC | Oxygen, 1-30 Vol% range |
Sampling information (see manufacturer instructions) |
1 stroke, approx 2%-23% range, uncertainty approx 16% | 1 stroke, approx 2-23% range, uncertainty approx 16% | 0.5 or 1 stroke, 2-24% range, uncertainty 6-24% | 0.5 stroke, approx 2-24% range | 8014-159SB: 0.5 stroke, approx 2-24% range. 8014-159SC: 0.5 or 1 stroke, approx 1-24% range |
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 |
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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 |
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TLV-C |
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PEL-C |
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Skin notation |
NA |
Skin notation |
NA |
Skin notation |
NA |
Skin notation |
NA |
Notes:
Not established |
Notes:
Not established |
Notes:
Not established |
Notes:
Not established |
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Health factors: See NIH-NLM PubChem. | IDLH | ||||||
Carcinogenic classifications: |
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 NIOSH: Pocket Guide to Chemical Hazards - Oxygen Literature References
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Last Updated Date : 01/07/2021