How Long Does It Take for Soda to Freeze?

Soda never completely freezes because of the carbonation and carbon dioxide in it, but in about three hours it can turn into a slushy semi-frozen mixture. Diet drinks have a slightly different reaction.

The carbon dioxide in soda makes it freeze at a slightly lower temperature of 30 degrees Fahrenheit than water, which freezes at 32 degrees. The liquid inside a soda bottle will continue to be liquid even if it is placed in the freezer or outside in subfreezing weather.

When the bottle is opened, the instantaneous release of carbon dioxide causes tiny ice crystals to form, resulting in soda slush. However, not all soda containers can withstand three hours of freezing; aluminium cans frequently explode before that point, drenching the freezer’s interior in soda slush.

Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.


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