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/sci/ - Science & Math

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12760765 No.12760765 [Reply] [Original]

I have 10 lbs of oxalic acid that supposedly expires this March. What kind of reactions could I do with it for fun? Was thinking of making some sort of ferrioxalate again but it's light sensitive and annoying to deal with.
>inb4 eat it
also chemistry thread I guess

>> No.12761197

>>12760765
>expires this March
what happens to it then?

>> No.12761201

>>12761197
mustard gas

>> No.12761338

>>12760765
>>12761201
Oxalyl Chloride using TCCA

>> No.12761370

>>12760765
Is it a powder or solution? Powdered oxalic shelf life is usually 2-3 times what the manufacturers say

>> No.12761382

>>12760765
From the looks of it it's a hydro carbon when decomposed, try generating some electricity out of it and put the remaining substance on a fire to watch shit blow up

>> No.12761612

Internet says its reaction with permanganate is autocatalytic. Might be fun to see.

>> No.12761732

>>12761370
It's a bunch of fine needle-like crystals (quite small and almost powder-like). I suspected that the expiration date meant nothing, it just reminded me to do something with it.

>> No.12761739

>>12761338
I

>> No.12761745

>>12761338
I was thinking of making oxalyl chloride. Unfortunately I have no way to access TCCA right now unless I somehow make it myself. I could make it with PCl5, but again I would need to make the PCl5 (would need a lot of matchboxes hehe).
Maybe I'll try making formic acid, looking at the sciencemadness article is giving some good ideas.

>> No.12763525

>>12760765
It precipitates with alkaline earths to leave just about any acid, including sulfuric. If you're in the EU where the sale of appreciable amounts of sulfuric acid was recently banned, you can use oxalic acid and epsom salt to make sulfuric acid.

>> No.12764101
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12764101

>>12763525
Not in the EU but good to know, thanks.

>> No.12764250

>>12761201
bullshit, that's not how it works.

>> No.12765202

>>12761745
Nah, I wouldn't bother bringing phosphorus chemistry into the picture. Oxalyl Chloride would be the most useful thing you could make but its a nasty thing at best. You could make the methyl or ethyl acetopyruvate if you have sodium, there are preps on OrgSyn.

>> No.12766088
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12766088

>>12765202
Neat website, I would need to make ethyl oxalate first. The same site calls for CCl4 in the synthesis with other complicated steps, so I was gonna try to do a simpler fischer esterification with just the oxalic acid, ethanol, and sulfuric acid. Of course I would also need sodium, but I'll just use a sodium-MgO aggregate (a lot easier). Looks really interesting, thanks for the idea, may try it out and post an update thread.

>> No.12766136

O! Oh! Ho! O!

>> No.12766151

>>12766136
yeah

>> No.12767529

>>12760765
UV-initiated radical polymerization