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Blood alcohol content (BAC), also called blood alcohol concentration or blood alcohol level, is a measurement of alcohol intoxication used for legal or medical purposes. [1] BAC is expressed as mass of alcohol per volume of blood. In US and many international publications, BAC levels are written as a percentage such as 0.08%, i.e. there is 0.8 ...
Ethanol (data page) provides detailed information about the chemical properties, physical properties, and safety measures of ethanol.
Under conditions of moderate alcohol consumption where blood alcohol levels average 0.06–0.08 percent and decrease 0.01–0.02 percent per hour, an alcohol clearance rate of 4–5 hours would coincide with disruptions in sleep maintenance in the second half of an 8-hour sleep episode.
It is near impossible for a healthy person to become intoxicated drinking low-alcohol drinks. The low concentration severely limits the rate of intake, which is easily dispatched by human metabolism. Quickly drinking 1.5 L of 0.4% alc/vol beer in an hour resulted in a maximum of 0.0056% BAC in a study of German volunteers. [8]
Alcohol-related deaths had risen by 26% from 2019 to 2020, according to a report published last year by the CDC. The increase was sharper among women ages 35 to 44, going up by 42%. Show comments
The rate of elimination of ethanol is also increased at very high concentrations, such as in overdose, again more closely following first-order kinetics, with an elimination half-life of about 4 or 4.5 hours (a clearance rate of approximately 6 L/hour/70 kg). This is thought to be due to increased activity of CYP2E1.
Alcohol is metabolized by a normal liver at the rate of about 8 grams of pure ethanol per hour. 8 grams or 10 mL (0.34 US fl oz) is one British standard unit. An "abnormal" liver with conditions such as hepatitis , cirrhosis , gall bladder disease, and cancer is likely to result in a slower rate of metabolism.
Phase behavior Triple point: 184.9 K (−88.2 °C), ? Pa Critical point: 508.7 K (235.6 °C), 5370 kPa Std enthalpy change of fusion, Δ fus H o: 5.28 kJ/mol Std entropy change