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At atmospheric pressure, mixtures of ethanol and water form an azeotrope at about 89.4 mol% ethanol (95.6% ethanol by mass, [83] 97% alcohol by volume), with a boiling point of 351.3 K (78.1 °C). [84] At lower pressure, the composition of the ethanol-water azeotrope shifts to more ethanol-rich mixtures. [85]
8 Boiling points of aqueous solutions. 9 Charts. 10 References. Toggle the table of contents. ... Solid–liquid equilibrium of the mixture of ethanol and water ...
Boiling point (°C) K b (°C⋅kg/mol) Freezing point (°C) ... Ethanol: 0.78 78.4 1.22 –114.6 –1.99 ... Water: 100.00 0.512 0.00
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
Owing to the presence of the polar OH alcohols are more water-soluble than simple hydrocarbons. Methanol, ethanol, and propanol are miscible in water. 1-Butanol, with a four-carbon chain, is moderately soluble. Because of hydrogen bonding, alcohols tend to have higher boiling points than comparable hydrocarbons and ethers.
A well-known example of a positive azeotrope is an ethanol–water mixture (obtained by fermentation of sugars) consisting of 95.63% ethanol and 4.37% water (by mass), which boils at 78.2 °C. [10] Ethanol boils at 78.4 °C, water boils at 100 °C, but the azeotrope boils at 78.2 °C, which is lower than either of its constituents. [ 11 ]
Boiling point: 74.0 °C (165.2 °F; 347.1 K) ... Also known as TFE or trifluoroethyl alcohol, this colourless, water-miscible liquid has a smell reminiscent of ethanol.
ethanol: 64-17-5 CH 3 CH 2 NH 2: ethylamine: 75-04-7 C 2 H 6 O 2: ethylene glycol: 107-21-1 HCOOH: formic acid: 64-18-6 C 5 H 6 O 2: furfuryl alcohol: 98-00-0 C 3 H 8 O 3: glycerol: 56-81-5 CH 3 OH: methanol: 67-56-1 CH 3 N(C 2 H 4 OH) 2: methyl diethanolamine: 105-59-9 CH 3 NC: methyl isocyanide: 593-75-9 C 5 H 9 NO: N-Methyl-2-pyrrolidone ...