Ethylene oxide is extremely flammable and its mixtures with air are explosive.

More specifically, it can form explosive peroxides when exposed to air and is extremely flammable.

Although considered stable, 3-pentanone is extremely flammable if exposed to flame, sparks, or another source of heat.

It is extremely flammable, with flash point at 37 C.

Greek Temples were known for being extremely flammable especially the architrave.

Do not purchase ordinary linseed oil and attempt to boil it, as the material is extremely flammable.

The paint on the U-2 was an acetate-based dope, extremely flammable.

The white smoke from the pyrolysis of the rubber turned out to be extremely flammable.

It is extremely flammable, and its inhalation may cause asphyxiation or dizziness.

It doesn't matter if you water them or not, they're extremely flammable.