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NIOSH Pocket Guide to Chemical Hazards -Ozone
Ozone |
CAS 10028-15-6 |
O3 |
RTECS RS8225000 |
Synonyms & Trade Names
Triatomic oxygen |
DOT ID & Guide
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Exposure
Limits |
NIOSH REL: C 0.1 ppm (0.2 mg/m3) |
| OSHA PEL†: TWA 0.1 ppm (0.2 mg/m3) |
IDLH 5 ppm See: 10028156 |
Conversion 1 ppm = 1.96 mg/m3 |
Physical Description
Colorless to blue gas with a very pungent odor. |
MW: 48.0
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BP: -169°F
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FRZ: -315°F
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Sol(32°F): 0.001%
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VP: >1 atm
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IP: 12.52 eV
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RGasD: 1.66
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Fl.P: NA
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UEL: NA
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LEL: NA
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| Nonflammable Gas, but a powerful oxidizer. |
Incompatibilities & Reactivities
All oxidizable materials (both organic & inorganic) |
Measurement Methods
OSHA ID214
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
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First Aid (See procedures)
Eye: Medical attention
Breathing: Fresh air; 100% O2
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Respirator Recommendations NIOSH/OSHA
Up to 1 ppm:
(APF = 10) Any chemical cartridge respirator with cartridge(s) providing protection against the compound of concern¿
(APF = 10) Any supplied-air respirator
Up to 2.5 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(APF = 25) Any powered, air-purifying respirator with cartridge(s) providing protection against the compound of concern
Up to 5 ppm:
(APF = 50) Any chemical cartridge respirator with a full facepiece and cartridge(s) providing protection against the compound of concern
(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
(APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator 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 |
Exposure Routes inhalation, skin and/or eye contact |
Symptoms Irritation eyes, mucous membrane; pulmonary edema; chronic respiratory disease |
Target Organs Eyes, respiratory system
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