Chlorine |
Synonyms & Trade Names Molecular chlorine |
CAS No. 7782-50-5 |
RTECS No. FO2100000 |
DOT ID & Guide 1017 124 |
FormulaCl2 |
Conversion 1 ppm = 2.90 mg/m3 |
IDLH 10 ppm
See: 7782505 |
Exposure Limits NIOSH REL: C 0.5 ppm (1.45 mg/m3) [15-minute]
OSHA PEL†: C 1 ppm (3 mg/m3) |
Measurement Methods
NIOSH 6011;
OSHA ID101 , ID126SGX
See: NMAM or OSHA Methods |
Physical Description Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] |
MW: 70.9 |
BP: -29°F |
FRZ: -150°F |
Sol: 0.7% |
VP: 6.8 atm |
IP: 11.48 eV |
|
Fl.P: NA |
UEL: NA |
LEL: NA |
RGasD: 2.47 |
|
| Nonflammable Gas, but a strong oxidizer. |
Incompatibilities & Reactivities Reacts explosively or forms explosive compounds with many common substances such as acetylene, ether, turpentine, ammonia, fuel gas, hydrogen & finely divided metals. |
Exposure Routes inhalation, skin and/or eye contact |
Symptoms Burning of eyes, nose, mouth; lacrimation (discharge of tears), rhinorrhea (discharge of thin nasal mucus); cough, choking, substernal (occurring beneath the sternum) pain; nausea, vomiting; headache, dizziness; syncope; pulmonary edema; pneumonitis; hypoxemia (reduced O2 in the blood); dermatitis; liquid: frostbite |
Target Organs Eyes, skin, respiratory system |
|
Personal Protection/Sanitation (See protection codes)
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
|
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
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0126 See MEDICAL TESTS: 0044 |
