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I have a gallon of methylene chloride.
Huh, I've got a collection of not necessarily dangerous, but hard to find chemicals. DCM (methylene chloride) is still something I've been unable to find. It's an incredibly useful solvent especially for adhering bitumen felt to itself.
Are you near NYC?
What periodic table number is it?
It's CH2Cl2, so it's 5 different atoms.
It's not an element. It's a chemical that was used for stripping paint, but the government banned selling it to the public as a paint stripper just because people kept dying.
I'm a spiteful libertarian. I do not tolerate the government's attempts to protect me from my own bad judgement. Therefore I legally bought a gallon of it from a chemical supply company. (Why did I think I would need a gallon?) I tried to make my own paint stripper from it but I couldn't get it to form a gel. (How could I have known that randos on the internet could provide wrong directions?)
I haven't gotten rid of it because it was expensive so now it just sits in my freezer. I'll give it away for free to anyone who wants to come pick it up...
I don't know if it still is, but it was a suspected carcinogen at some point. It also isn't great. For the ozone layer (but better than CHCl3 or CCl4). I think that's the main reasons it isn't widely available for the public now.
It also easily permeates nitrile gloves. Can't remember if it's the same for latex.