[malloyd]

I suppose it must have come up in a cleanup situation, but those tend to be boringly unmemorable.

I've rolled some did the protective gear work saving throws against it (it really ought to entirely absorb the NBC Suit skill). It comes up occasionally in cargo handling - though honestly those tend to be solved by we open the hold to vacuum and teleoperate the forklift to toss it out. Interpret the paperwork and cryptic warning labels to determine which truck has the stuff we want to steal loaded on it got talked about but dismissed since the people moving the stuff weren't the sort to bother with legal labeling requirements.

Setting up an "accident" in a chemistry lab seems like the sort of thing PCs would do where it might be useful.