|Published (Last):||25 October 2017|
|PDF File Size:||1.43 Mb|
|ePub File Size:||6.17 Mb|
|Price:||Free* [*Free Regsitration Required]|
A narcotic, asphyxiant, or flammable hazard? Butane intoxication—three case reports. Surviving mice recovered rapidly, within 5 min after exposure ended Stoughton and Lamson Metabolism and Disposition 4. Each dog was exposed butane at nominal concentrations of 0.
It was concluded that 10, ppm min exposure was a boundary for drowsiness. Xu the same reasons as for AEGL-1, steady-state plasma concentrations will be reached within 30 min of exposure.
This page was last edited on 7 Decemberat Concentrations of propane were approximately similar in blood samples taken 15 min before the end of 1- 2- and 8-h exposures to propane at and ppm Stewart et al.
Wikimedia Commons has media related to Butane. When blended with propane and other hydrocarbons, it may be referred to commercially as LPGfor liquefied petroleum gas. We discussed the management of butae case in the intensive care unit and the accompanying difficulties in the light of the current literature.
A CT scan showed a very tight swollen brain. When a loved one has a drink problem What can I do to help? Final report of the safety assessment of isobutane, isopentane, nbutane, and propane; pp. Severe encephalopathy was observed in a year-old girl as the result of butane abuse.
Guinea pigs exposed at 21, ppm showed occasional chewing movements and irregular or rapid breathing, but the effects did not worsen as the exposure duration increased. If the person gets excited, startled or participates in any sudden physical activity after inhaling butane, the heart can fail to pump blood. Butane is used in the production of ethylene and 1,3-butadiene, in the synthesis of a number of chemicals, as a refrigerant and an aerosol propellant, in the blending of gasoline or motor fuel, as a constituent in liquefied petroleum gas, and as an extraction solvent in deasphalting processes Low et al.
Case studies also reveal that serious brain damage and underdeveloped organs can occur in fetuses in case of high single exposures during the week 27 or 30 of pregnancy. The calculated min value of 77, ppm is supported by the data from Patty and Yant National Academy Press; Intoxcation brain concentrations of butane in dead rats 7.
The data are from a species with a relatively high susceptibility to butane. Forensic medical evaluation of deaths resulting from inhalation of cigarette lighter refill fuel in Turkey.
INTOXICATION AU GAZ BUTANE PDF
Hence, this study does not provide an adequate starting point for deriving AEGL-3 values. Butane was negative in the bacterial reverse-mutation assay Ames test. Mortality from butane in mice and rats is preceded by CNS effects. Because details of the study were lacking and because the tests were conducted in anesthetized dogs, no clear conclusions can be drawn from this study. The concentrations were analyzed periodically and adjustments made to maintain the predetermined concentrations. Butane is also used as lighter fuel for a common lighter or butane torch and is sold bottled as a fuel for cooking, barbecues and camping stoves.
Les bouteilles de gaz butane sont-elles dangereuses ?