Tetrachloroethylene
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CAS
127-18-4
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Cl2C=CCl2
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RTECS
KX3850000
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Synonyms & Trade Names
Perchlorethylene, Perchloroethylene, Perk, Tetrachlorethylene
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DOT ID & Guide
1897 / 160
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Exposure
Limits
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NIOSH REL: Ca Minimize workplace exposure concentrations. See Appendix A
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OSHA PEL†: TWA 100 ppm C 200 ppm 300 ppm (5-minute maximum peak in any 3-hours)
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IDLH
Ca [150 ppm]
See: 127184
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Conversion
1 ppm = 6.78 mg/m3
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Physical Description
Colorless liquid with a mild, chloroform-like odor.
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MW: 165.8
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BP: 250°F
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FRZ: -2°F
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Sol: 0.02%
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VP: 14 mmHg
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IP: 9.32 eV
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Sp.Gr: 1.62
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Fl.P: NA
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UEL: NA
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LEL: NA
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Noncombustible Liquid, but decomposes in a fire to hydrogen chloride and phosgene.
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Incompatibilities & Reactivities
Strong oxidizers; chemically-active metals such as lithium, beryllium & barium; caustic soda; sodium hydroxide; potash
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Measurement Methods
NIOSH 1003; OSHA 1001
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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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
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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]
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Target Organs
Eyes, skin, respiratory system, liver, kidneys, central nervous system
Cancer Site
[in animals: liver tumors]
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See also: INTRODUCTION
See ICSC CARD: 0076 See MEDICAL TESTS: 0179
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