>Ethers can form highly reactive (i.e. explosive) organic peroxides when exposed to oxygen, especially over a long period -- for example, when a half-empty bott

>Ethers can form highly reactive (i.e. explosive) organic peroxides when exposed to oxygen, especially over a long period -- for example, when a half-empty bottle is left on a shelf for a few years. Yeah that's the point. That's why they sell it in cans at Walmart. As long as you're already expecting to handle flammables it's not really a big deal. It's only about twice (in my observation having dicked around with both) as spicy as gasoline.