Tetrachloroethylene |
Synonyms & Trade Names Perchlorethylene, Perchloroethylene, Perk, Tetrachlorethylene |
CAS No. 127-18-4 |
RTECS No. KX3850000 |
DOT ID & Guide 1897 160 |
FormulaCl2C=CCl2 |
Conversion 1 ppm = 6.78 mg/m3 |
IDLH Ca [150 ppm]
See: 127184 |
Exposure Limits NIOSH REL: Ca Minimize workplace exposure concentrations. See Appendix A
OSHA PEL†: TWA 100 ppm
C 200 ppm (for 5 minutes in any 3-hour period), with a maximum peak of 300 ppm
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Measurement Methods
NIOSH 1003;
OSHA 1001
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with a mild, chloroform-like odor. |
MW: 165.8 |
BP: 250°F |
FRZ: -2°F |
Sol: 0.02% |
VP: 14 mmHg |
IP: 9.32 eV |
Sp.Gr: 1.62 |
Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Liquid, but decomposes in a fire to hydrogen chloride and phosgene. |
Incompatibilities & Reactivities Strong oxidizers; chemically-active metals such as lithium, beryllium & barium; caustic soda; sodium hydroxide; potash |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, nose, throat, respiratory system; nausea; flush face, neck; dizziness, incoordination; headache, drowsiness; skin erythema (skin redness); liver damage; [potential occupational carcinogen] |
Target Organs Eyes, skin, respiratory system, liver, kidneys, central nervous system |
Cancer Site[in animals: liver tumors] |
Personal Protection/Sanitation (See protection codes)
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 |
Respirator Recommendations NIOSH 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
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0076 See MEDICAL TESTS: 0179 |
