Question

Can cornstarch disintegrate in fire or an open flame?

Answer 1

Corn starch, like wood, consists of a carbohydrate complex, which is why it burns – but it will only ignite when it is dispersed in air. While it's packed in the container or in a pile on the counter it will not burst into flames due to insufficient oxygen.

Answer 2

In an open flame because it can not only catch on fire extremely easily but also cause an explosive