The melting point determination gives an idea of purity as the purer a substance is the more defined it’s melting point is.
It is used to return the vapours of the reactants back into the reaction vessel and also where heating over long periods of time needs to be carried out.
Filtering under reduced pressure involves a Buchner funnel.
135�C), while the conventionally heated ASA melted between 126-129�C.
Based on the results, one could suggest that microwave irradiation is a cleaner and more efficient way to produce acetyl salicylic acid.