It is a very recent invention, and has not been investigated enough. It is probably not as toxic as Teflon, but stick with something time tested and pure, such as sand enamele…d cast iron (le creuset is the best brand). Pyrex transparent glass is the next best thing for baking. (MORE)
It's non-toxic and doesn't allow bacteria to grow on it easily, but you don't say in what way safe. It's safe to cook with. .
It seems reasonably safe for body implants - alt…hough there are complications. It's not very safe to build a car with. (MORE)
It will have to cope with much greater heat in a conventional oven. However, as oven-ware it must have been fired and glazed in a kiln, where it would be subjected to greater …heat than a domestic provides. If you decide to try it, use a cold oven to start and then a low heat [140C] for half an hour then cool in oven. (MORE)