Chemistry
Wine and Champagne
Temperature

What is the freezing temperature of wine?

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2016-01-21 20:20:51

About 23 degrees Fahrenheit Wine is a water based solution

containing ethanol (and various other solutes), it has to get

colder than the freezing point of water (32 F or 0 C) .Generally

wine will freeze around 20 F (-7 C) depending on the type of

wine.

Household freezers can range from 5-8 degrees Fahrenheit which

is lower than the temp range it takes for wine to freeze. The water

in the wine will expand into ice crystals (water is fairly unique

in that it expands as it freezes) and since the volume of the

bottle is nearly constant, the pressure will increase; possibly

dislodging the cork.

Pure ethanol has a freezing point of approximately -173.2

degrees Fahrenheit. The water, however, will freeze at 32 F.

You may calculate the actual freezing point depression of wine

using Kfp X msolute where Kfp is the Freezing Point constant of

water (-1.86 C/m), and m is the molality of the solute

(ethanol).


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