Unglazed ceramics can leach arsenic depending on their composition, so if you are really paranoid your safest bet is new lab grade borosilicate glass.
Stovetop CorningWare is still sold directly stateside: https://www.corningware.com/product/4-piece-cookware-set
It turns out that pyrex isn't borosilicate in the states, but it is here in europe. I have a pyrex measuring jug that I've heat shocked loads of times and its still with me after ~18 years. However in the states I tried to use a pyrex just as I would at home, and the thing shattered.
The perils of licensing your name out I suspect