Acrylic is the same material used to make any standard baths.
Acrylic would scratch no more than any glass item would.
No. Acrylic can not be used in ovens.
Yes. Acrylic can be used in a dishwasher.
Yes. Acrylic has been tested for use in a microwave.
Yes. Any hot food can be served in acrylic caterware.
No. Tests have shown acrylic to be stain resistant.