acetone vs propanone

acetone and propanone both are nouns.

Word	Noun	Adjective	Verb	Adverb
acetone	Yes	No	No	No
propanone	Yes	No	No	No

As nouns, acetone and propanone are synonyms defined as:

acetone and propanone: the simplest ketone; a highly flammable liquid widely used as an organic solvent and as material for making plastics

Other synonyms of acetone include dimethyl ketone.

acetone (noun)	propanone (noun)
the simplest ketone; a highly flammable liquid widely used as an organic solvent and as material for making plastics	the simplest ketone; a highly flammable liquid widely used as an organic solvent and as material for making plastics