Brown, who turns 28 next month, held a virtual meeting with the Demons in recent weeks and is also expected to undergo a medical for the club.
The Demons have ramped up their interest in Brown as they look to add more firepower to their forward line.
The goalkicking big man is out of contract but not eligible for free agency, meaning a rival suitor would need to acquire him via trade.
The Dockers and Bombers have also been linked to Brown after the Kangaroos put him on the trade table last month.
Brown booted more than 60 goals in three consecutive seasons between 2017 and 2019. However, a knee injury restricted him to just nine games this season.
Both the Demons and Kangaroos are expected to be active players during the upcoming trade period – with several players being linked to other clubs.
The trade period runs from November 4-12.