Inhalation of high concentrations of vapor may cause central nervous system effects such as dizziness,
drowsiness, anesthesia, or unconsciousness. Anesthetic effects may occur at concentrations of 5000 ppm v/v or
above. At concentrations of 20,000 ppm or higher, HCFC-123 may causes increased sensitivity of the heart to
adrenaline which might cause irregular heart beats and possible ventricular fibrillation or death. Long-term exposure
to concentrations above those time weighted averages recommended may cause liver damage with altered enzyme
levels and central nervous system depression. When used on a fire, hazardous decomposition products are formed,
but typically are within safe emergency exposure limits.
Inhalation of high concentrations of vapor may cause central nervous system effects such as dizziness,drowsiness, anesthesia, or unconsciousness. Anesthetic effects may occur at concentrations of 5000 ppm v/v orabove. At concentrations of 20,000 ppm or higher, HCFC-123 may causes increased sensitivity of the heart toadrenaline which might cause irregular heart beats and possible ventricular fibrillation or death. Long-term exposureto concentrations above those time weighted averages recommended may cause liver damage with altered enzymelevels and central nervous system depression. When used on a fire, hazardous decomposition products are formed,but typically are within safe emergency exposure limits.
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