# NIOSH Pocket Guide to Chemical Hazards
Halothane | CAS 151-67-7
CF3CHBrCl | RTECS KH6550000
Synonyms & Trade Names 1-Bromo-1-chloro-2,2,2-trifluoroethane; 2-Bromo-2-chloro-1,1,1-trifluoroethane; 1,1,1-Trifluoro-2-bromo-2-chloroethane; 2,2,2-Trifluoro-1-bromo-1-chloroethane | DOT ID & Guide
Exposure Limits | NIOSH REL*: C 2 ppm (16.2 mg/m3) [60-minute] [*Note: REL for exposure to waste anesthetic gas.]
OSHA PEL: none
IDLH N.D. | Conversion 1 ppm = 8.07 mg/m3
Physical Description Clear, colorless liquid with a sweetish, pleasant odor. [inhalation anesthetic]
MW: 197.4 | BP: 122°F | FRZ: -180°F | Sol: 0.3%
VP: 243 mmHg | IP: ? |  | Sp.Gr: 1.87
Fl.P: NA | UEL: NA | LEL: NA |
Noncombustible Liquid
Incompatibilities & Reactivities May attack rubber & some plastics; sensitive to light. [Note: Light causes decomposition. May be stabilized with 0.01% thymol.]
Measurement Methods OSHA 29
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 | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, respiratory system; confusion, drowsiness, dizziness, nausea, analgesia, anesthesia; cardiac arrhythmias; liver, kidney damage; decreased audio-visual performance; in animals: reproductive effects
Target Organs Eyes, skin, respiratory system, cardiovascular system, central nervous system, liver, kidneys, reproductive system
See also: INTRODUCTION