# NIOSH Pocket Guide to Chemical Hazards
1,1,1,2-Tetrachloroethane | CAS 630-20-6
CCl3CH2Cl | RTECS KI8450000
Synonyms & Trade Names None | DOT ID & Guide 1702 151
Exposure Limits | NIOSH REL: Handle with caution in the workplace. See Appendix C (Chloroethanes)
OSHA PEL: none
IDLH N.D. | Conversion
Physical Description Yellowish-red liquid.
MW: 167.9 | BP: 267°F | FRZ: -94°F | Sol: 0.1%
VP(77°F): 14 mmHg | IP: ? |  | Sp.Gr: 1.54
Fl.P: ? | UEL: ? | LEL: ? |
Incompatibilities & Reactivities Potassium; sodium; dinitrogen tetraoxide; potassium hydroxide; nitrogen tetroxide; sodium potassium alloy; 2,4-dinitrophenyl disulfide
Measurement Methods None available
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 immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin; lassitude (weakness, exhaustion), restlessness, irregular respiration, muscle incoordination; in animals: liver changes
Target Organs Eyes, skin, central nervous system, liver
See also: INTRODUCTION