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Isopropyl alcohol (IUPAC name propan-2-ol and also called isopropanol or 2-propanol) is a colorless, flammable, organic compound with a pungent alcoholic odor. [9]Isopropyl alcohol, an organic polar molecule, is miscible in water, ethanol, and chloroform, demonstrating its ability to dissolve a wide range of substances including ethyl cellulose, polyvinyl butyral, oils, alkaloids, and natural ...
Isopropyl rubbing alcohols contain from 50% to 99% by volume of isopropyl alcohol, the remainder consisting of water. Boiling points vary with the proportion of isopropyl alcohol from 80 to 83 °C (176 to 181 °F); likewise, freezing points vary from −32 to −50 °C (−26 to −58 °F). [6] Surgical spirit BP boils at 80 °C (176 °F). [7]
1.3776 at 20°C Abbe number? Dielectric constant, ε r: 18.23 ε 0 at 25 °C Bond strength? Bond length? Bond angle? Magnetic susceptibility? Surface tension: 21.7 dyn/cm at 20°C Viscosity [1] 4.5646 mPa·s at 0°C 2.3703 mPa·s at 20°C 1.3311 mPa·s at 40°C
Methanol (methyl alcohol) and isopropyl alcohol (also called rubbing alcohol) are both toxic, and thus unsafe for human consumption. [11] Methanol is the most toxic alcohol; the toxicity of isopropyl alcohol lies between that of ethanol and methanol, and is about twice that of ethanol. [118] In general, higher alcohols are less toxic.
[20] A 2020 systematic review and meta-analysis concluded that there is no definitive link between alcohol-based mouthwash use and the risk of oral cancer. [21] This should not be confused with the fact that alcohol consumption at any quantity is a risk factor for alcohol and cancer such as cancers of the mouth, esophagus, pharynx and larynx. [22]
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A foil milk bottle top from the UK displays a use by date of 26 December pressed into the foil to indicate that the food may spoil and be unsafe after that date. Generally, foods that have a use by date written on the packaging should not be eaten after the specified date. This term is generally applied to foods that may go bad due to physical ...
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