Unfortunately my friend took down her blog with links to all the studies, so I don't have my original sources. But if you google phthalates estrogenic there are a bunch of studies confirming the premise.

Also, it's been proven to bioaccumulate in humans, which, given that it hasn't been proven safe, should be considered a harm in and of itself.

"I have discovered a truly marvelous proof of this, which this margin is too narrow to contain"