Ethanol %0100°F Freezing Point32-175°C Freezing Point0-115
Low-proof liqueurs like Irish cream that come in around 20 percent alcohol may get slushy in the freezer, but will not solidify. Any type of booze that is above 32 percent alcohol (or 64 proof) should be okay to store at sub-freezing temperatures for an indefinite period of time.
The freezing point of alcohol (ethanol) is -173.5°F or -114.1°C.
around -16 degrees F.