Cooking for Engineers says, “Pyrex glassware is an excellent example of microwave safe, heat resistant glass that can also be baked.”

Is vintage Pyrex microwave safe?

If you're like me, you value vintage Pyrex for its durability. ... Avoid placing Pyrex under a broiler, inside a toaster oven, or directly over a flame, stovetop or grill. And never put an empty Pyrex dish in the microwave.

Are glass pans microwave safe?

Glass and glass ceramic cookware is microwave safe as long as it doesn't have gold or silver rims. Glass cups may or may not be microwave safe. ... Avoid microwaving cold food-containers, such as butter tubs and whipped topping bowls. These can release chemicals into food when exposed to high heat.