"...there is no best piece of advice to give out. But based on the latest science, along with some anecdotal lore and a dose of common sense, here are our recommendations for avoiding potential risks."
one look in:
"4. Don't put plastic in the microwave. Even "microwave safe" plastics may leach hazardous materials. Don't use plastic wraps, either. Phthalates, the last targeted elements in plastic wrap, were outlawed in 2006; but companies don't list what's in plastic wrap, so you're taking a risk by using it. Using glass containers with a paper towel covering is your safest option."