to me i think the answer is no because it does not support boiling but rather freezing .
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You are correct! A good refrigerant indeed must have a low boiling point. This is because the main purpose of a refrigerant is to absorb heat from the surrounding environment and carry it away. In order to efficiently do this, a refrigerant needs to evaporate and boil at a relatively low temperature. Typically, refrigerants with lower boiling points are more effective at absorbing heat and thus are commonly used in refrigeration systems.
