[IronJack]

Hydroflouric acid is one of the few substances on earth that will dissolve glass. It has lingering toxic effects on the human body, and is one of the deadliest acids known. It is not play-dough.

[general_re]

Indeed - it is used industrially to etch and frost glass. Not to mention that it is rather volatile, and very much prefers to be a gas at room temperature. Whoever lifted this stuff is in a world of hurt if they pop open on of those canisters...