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S2170-07-12 ATTACHMENT C – Tetrachloroethylene (PCE) NIOSH Guide to Chemical Hazards <br /> <br /> Page C-1 of 1 June 2022 <br />Tetrachloroethylene <br />Synonyms & Trade Names: Perchlorethylene, Perchloroethylene, Perk, Tetrachloroethene, Tetrachlorethylene <br />CAS No.: 127-18-4 RTECS No.: KX3850000 DOT ID & Guide: 1897 <br />Formula: Cl2C=CCl2 Conversion: 1 ppm = 6.78 mg/m3 IDLH: Ca [150 ppm] <br />Exposure Limits: <br />NIOSH REL: Ca- Minimize workplace exposure concentrations. <br />OSHA PEL:: TWA 100 ppm; C 200 ppm (for 5 minutes in any 3-hour <br />period), <br /> with a maximum peak of 300 ppm) <br />Measurement Methods: <br />NIOSH 1003; <br />OSHA 1001 <br />See: NMAM or OSHA Methods <br />Physical Description: Colorless liquid with a mild, chloroform-like odor. <br />MW: 165.8 BP: 250°F FRZ: -2°F Sol: 0.02% VP: 14 mmHg IP: 9.32 eV <br />Sp. Gr: 1.62 Fl. P: NA UEL NA LEL NA <br />Noncombustible Liquid, but decomposes in a fire to hydrogen chloride and phosgene. <br />Incompatibilities & Reactivities: <br />Strong oxidizers; chemically-active metals such as lithium, beryllium & barium; caustic soda; sodium hydroxide; <br />potash <br />Exposure Routes: inhalation, skin absorption, ingestion, skin and/or eye contact <br />Symptoms: irritation eyes, skin, nose, throat, respiratory system; nausea; flush face, neck; dizziness, incoordination; <br />headache, drowsiness; skin erythema (skin redness); liver damage; [potential occupational carcinogen] <br />Target Organs: Eyes, skin, respiratory system, liver, kidneys, central nervous system <br />Cancer Site: [in animals: liver tumors] <br />Personal Protection/Sanitation: <br />Skin: Prevent skin contact <br />Eyes: Prevent eye contact <br />Wash skin: When contaminated <br />Remove: When wet or contaminated <br />Change: No recommendation <br />Provide: Eyewash, Quick drench <br />First Aid <br />Eye: Irrigate immediately <br />Skin: Soap wash promptly <br />Breathing: Respiratory support <br />Swallow: Medical attention <br />immediately <br />Page last reviewed: April 11, 2016 <br />Page last updated: April 11, 2016