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Chlorine |
CAS 7782-50-5 | ||
Cl2 |
RTECS FO2100000 | ||
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Synonyms & Trade Names Molecular chlorine |
DOT ID & Guide 1017 124 |
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Exposure
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NIOSH REL: C 0.5 ppm (1.45 mg/m3) [15-minute] | ||
| OSHA PEL†: C 1 ppm (3 mg/m3) | |||
| IDLH 10 ppm See: 7782505 | Conversion 1 ppm = 2.90 mg/m3 | ||
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Physical Description Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] |
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MW: 70.9 |
BP: -29°F |
FRZ: -150°F |
Sol: 0.7% |
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VP: 6.8 atm |
IP: 11.48 eV |
RGasD: 2.47 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Nonflammable Gas, but a strong oxidizer. | |||
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Incompatibilities & Reactivities Reacts explosively or forms explosive compounds with many common substances such as acetylene, ether, turpentine, ammonia, fuel gas, hydrogen & finely divided metals. |
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Measurement Methods NIOSH 6011; OSHA ID101, ID126SGX See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Frostbite Eyes: Frostbite Wash skin: No recommendation Remove: No recommendation Change: No recommendation Provide: Frostbite wash |
First Aid (See procedures) Eye: Frostbite Skin: Frostbite Breathing: Respiratory support |
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Important additional information about respirator selection Respirator Recommendations NIOSH Up to 5 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 10 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* (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 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 |
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| Exposure Routes inhalation, skin and/or eye contact | |
| Symptoms Burning of eyes, nose, mouth; lacrimation (discharge of tears), rhinorrhea (discharge of thin mucus); cough, choking, substernal (occurring beneath the sternum) pain; nausea, vomiting; headache, dizziness; syncope; pulmonary edema; pneumonitis; hypoxemia (reduced oxygen in the blood); dermatitis; liquid: frostbite | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION See ICSC CARD: 0126 See MEDICAL TESTS: 0044 |