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Alcohol (chemistry) Ball-and-stick model of an alcohol molecule (R3COH). The red and white balls represent the hydroxyl group (−OH). The three "R"s stand for carbon substituents or hydrogen atoms. [1] In chemistry, an alcohol (from the Arabic word al-kuḥl, الكحل) is a type of organic compound that carries at least one hydroxyl (−OH ...
Data obtained from Lange 1967. Mass fraction, %. Volume concentration, %. Mass concentration, g/ (100 ml) at 15.56 °C. Density relative to 4 °C water [citation needed] Density at 20 °C relative to 20 °C water. Density at 25 °C relative to 25 °C water. Freezing temperature, °C.
Methanol and its vapours are flammable. Moderately toxic for small animals – Highly toxic to large animals and humans (in high concentrations) – May be fatal/lethal or cause blindness and damage to the liver, kidneys, and heart if swallowed – Toxicity effects from repeated over exposure have an accumulative effect on the central nervous system, especially the optic nerve – Symptoms may ...
Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound with the chemical formula CH 3 CH 2 OH. It is an alcohol, with its formula also written as C 2 H 5 OH, C 2 H 6 O or EtOH, where Et stands for ethyl. Ethanol is a volatile, flammable, colorless liquid with a characteristic wine-like ...
A hydrophilic molecule or portion of a molecule is one whose interactions with water and other polar substances are more thermodynamically favorable than their interactions with oil or other hydrophobic solvents. [2][3] They are typically charge-polarized and capable of hydrogen bonding. This makes these molecules soluble not only in water but ...
The n-octanol-water partition coefficient, Kow is a partition coefficient for the two-phase system consisting of n -octanol and water. [1] Kow is also frequently referred to by the symbol P, especially in the English literature. It is also called n-octanol-water partition ratio. [2][3][4]
Solid properties Std enthalpy change of formation, Δ f H o solid? kJ/mol Standard molar entropy, S o solid? J/(mol K) Heat capacity, c p: 0.212 J/(mol K) at −200°C Liquid properties Std enthalpy change of formation, Δ f H o liquid: −318.2 kJ/mol Standard molar entropy, S o liquid: 180 J/(mol K) Heat capacity, c p: 2.68 J/(gK) at 20°C-25 ...
1-Decanol is a straight chain fatty alcohol with ten carbon atoms and the molecular formula C 10 H 21 OH. It is a colorless to light yellow viscous liquid that is insoluble in water and has an aromatic odor. [3] The interfacial tension against water at 20 °C is 8.97 mN/m.