dissolving agent vs dissolver

dissolving agent and dissolver both are nouns.

Word	Noun	Adjective	Verb	Adverb
dissolving agent	Yes	No	No	No
dissolver	Yes	No	No	No

As nouns, dissolving agent and dissolver are synonyms defined as:

dissolving agent and dissolver: a liquid substance capable of dissolving other substances

Other synonyms of dissolving agent include dissolvent, resolvent, solvent.

dissolving agent (noun)	dissolver (noun)
a liquid substance capable of dissolving other substances	a liquid substance capable of dissolving other substances