Title:  Halothane 
CAS Registry Number:  151-67-7 
CAS Name:  2-Bromo-2-chloro-1,1,1-trifluoroethane 
Additional Names:  bromochlorotrifluoroethane;  1,1,1-trifluoro-2,2-chlorobromoethane 
Trademarks:  Fluothane (Ayerst);  Rhodialothan (Nattermann) 
Molecular Formula:  C2HBrClF3 
Molecular Weight:  197.38 
Percent Composition:  C 12.17%, H 0.51%, Br 40.48%, Cl 17.96%, F 28.88% 
Line Formula:  CF3CHClBr 
Literature References:  Prepn from a mixt of F3CCH2Cl and F3CCBr2Cl:  Suckling, Raventos, US 2921098 (1960 to I.C.I.); by rearrangement of F2BrCCHFCl:  Scherer, Kühn, US 2959624 (1960 to Hoechst); from BrClCHCBrCl2:  Chapman, McGinty, GB 805764 (1958 to I.C.I.); from Br2ClCCF3:  McGinty, US 3082263 (1963 to I.C.I.); Madai, Muller, J. Prakt. Chem. 19, 83 (1963).  Enantiomeric resolution:  J. Meinwald et al., Science 251, 560 (1991).  Comprehensive description:  R. D. Daley, Anal. Profiles Drug Subs. 1, 119-147 (1972). 
Properties:  Non-flammable, highly volatile liquid.  Characteristic, sweetish, not unpleasant odor.  d420 1.871.  bp 50.2°; bp243 20°.  nD0 1.3697.  Sensitive to light, may be stabilized with 0.01% thymol.  Soly in water 0.345%.  Miscible with petr ether, other fat solvents. 
Boiling point:  bp 50.2°; bp243 20° 
Index of refraction:  nD0 1.3697 
Density:  d420 1.871 
CAUTION:  Potential symptoms of overexposure are irritation of eyes, skin, respiratory system; confusion, drowsiness, dizziness, nausea, analgesia, anesthesia; cardiac arrhythmia; liver and kidney damage; decreased audio visual performance.  See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 156. 
Therap-Cat:  Anesthetic (inhalation). 
Therap-Cat-Vet:  Anesthetic (inhalation). 
Keywords:  Anesthetic (Inhalation).   |