IanCaio
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Solvent for Poliacetylen
Hey,
A long time ago, I was trying to develop a set up that would give me Hidrocloric Acid. The problem is that as an undesireble product I would have
Poliacetylen on the bottom of the Kitasato flask. Since it would be really hard to take it out by mechanical methods as just "scratching" it I was
wondering if theres a way to solve it. I even bought a wall paint solvent, but wasnt able to test it (I would have to keep the bottle in my room, and
the gases released arent really something I would want there..). Would it work? Are there some other alternatives? (if possible some of easy reach)
I think its a method that would give me a pure and even concentrated Hidrocloric acid, so I had interest in thinking about this problem again 
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Nicodem
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Thread Moved
27-9-2012 at 06:56 |
IanCaio
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Just giving an UP.
Realized the topic got moved from organic chemistry, I wasn't finding it there 
So anyone have a clue about some solvent for cleaning poliacetylen out of a flask?
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Vargouille
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Based on the structure, I would guess a non-polar solvent, like hexanes, or toluene. Might be a tough thing to find, considering.
How does one, pray tell, form polyacetylene as a byproduct of HCl production?
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UnintentionalChaos
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Quote: Originally posted by Vargouille  | Based on the structure, I would guess a non-polar solvent, like hexanes, or toluene. Might be a tough thing to find, considering.
How does one, pray tell, form polyacetylene as a byproduct of HCl production? |
Pyrolysis of PVC, leading to dehydrohalogenation, I would assume.
Nothing is going to dissolve the stuff. Aromatic hydrocarbon solvents might soften it, making it easier to mechanically remove. Try shaking rock salt
and a solvent like acetone in the flask. That's a fairly effective abrasive unless it's a solid layer. I hate to even suggest it, but Piranha solution
would almost surely chew it up, cleaving or hydroxylating the double bonds. That stuff is downright dangerous though and I suggest it only as a last
resort.
Department of Redundancy Department - Now with paperwork!
'In organic synthesis, we call decomposition products "crap", however this is not a IUPAC approved nomenclature.' -Nicodem
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IanCaio
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Thanks for the answers
Vargouille,
I'm going to bring my glass material soon, and gonna
risk doing it, and then test the ways to take it off.
I'll try the paint remover, which is supposed to be a
non-polar solvent.
UnintentionalChaos,
You're right, I'm trying to make a PVC pyrolisis as a way
of obtaining HCl. Until now I found out that to be the most
easily acessable way of obtaining it besides trying to purify those
pool cleaners muriatic acids.
I'll try Acetone with rock salt then, Piranha as you said sounds
too dangerous, really reactive.
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