There are several words that can be used as synonyms for the phrase "low boiling points". For instance, the words 'volatile' and 'evaporative' can be used to describe liquids that have low boiling points. Another alternative is 'fleeting', which suggests that the liquid evaporates quickly even at low temperatures. Other potential synonyms include the words 'flimsy', 'fragile', or 'delicate', which could refer to substances that have a low boiling point because they are highly reactive and easily damaged by heat. Some other possible synonyms for 'low boiling points' may include 'volatile liquids', 'light-weight fluids', or 'easily vaporous substances. By using these alternative words, writers can vary their phrasing and create richer, more complex descriptions of the liquids they are describing.