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| 1,1,2,2-Tetrachloroethane | CAS 79-34-5 | ||
| CHCl2CHCl2 | RTECS KI8575000 | ||
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Synonyms & Trade Names Acetylene tetrachloride, Symmetrical tetrachloroethane |
DOT ID & Guide 1702 151 |
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Exposure Limits |
NIOSH REL: Ca TWA 1 ppm (7 mg/m3) [skin] See Appendix A See Appendix C (Chloroethanes) | ||
| OSHA PEL�: TWA 5 ppm (35 mg/m3) [skin] | |||
| IDLH Ca [100 ppm] | Conversion 1 ppm = 6.87 mg/m3 | ||
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Physical Description Colorless to pale-yellow liquid with a pungent, chloroform-like odor. |
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MW: 167.9 |
BP: 296°F |
FRZ: -33°F |
Sol: 0.3% |
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VP: 5 mmHg |
IP: 11.10 eV |
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Sp.Gr(77°F): 1.59 |
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Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Liquid | |||
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Incompatibilities & Reactivities Chemically-active metals, strong caustics, fuming sulfuric acid [Note: Degrades slowly when exposed to air.] |
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Measurement Methods NIOSH 1019; OSHA 7 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (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 organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Nausea, vomiting, abdominal pain; tremor fingers; jaundice, hepatitis, liver tenderness; dermatitis; leukocytosis (increased blood leukocytes); kidney damage; [potential occupational carcinogen] | |
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Target Organs
Skin, liver, kidneys, central nervous system, gastrointestinal tract Cancer Site [in animals: liver tumors] |
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| See also: INTRODUCTION |