Synthese van methamfetamine uit P2P via aluminiumamalgaam

Fenster

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Kan methanol ethanol vervangen als oplosmiddel?
 

Ranof

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Yes, it's even better.
 

Ranof

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But the risk of toxic gases increases.
 

Ortist

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Dit opstel is een puinhoop. Als je het zo volgt, krijg je 10% yeld. Of misschien minder.

1. Aluminium amalgaam moet van tevoren worden voorbereid, het is een belangrijke stap
2. Voeg je p2p, Methylamine toe aan amalgaam samen met isopropanol.
3. Houd de reactietemp <30 graden
4. Met 40g p2p en 40g aluminium FOIL krijg je 100% runaway :).
5. Voeg NaOH/KOH toe voordat je Al/Hg slib filtert, dit maakt het filterproces makkelijker en doodt overgebleven Al
6. En ga zo maar door...
 

Jordan Belfort

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Ik deed eerder vaten van 200 liter, vaten van 100 liter zijn ook prima, en deed een potreactie.

350-400 gram kwik op 10L b (400 gram is echt heel agressief), 15L methylamine 40% en dan nog 30L methanol.
De folie weet ik niet zeker, ik had uiteindelijk 2/3 van een emmer vol gemaakt met bekraste/beschadigde folie (geen bolletjes) dus het was dat gewicht.

Uiteindelijk was het te veel folie.
Opbrengst; 12L bij PH 12.

Toen met methylamine, iedereen weet dat daar betere alternatieven voor zijn als je werkt met bijv. Al/Hg
 
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Labchef

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When you say the Al amalgam can be made in situ does that mean one doesn’t have to wash & decant the HgCl from the aluminum before introducing the p2p + methylamine mixture? The HgCl can be left in the flask while reduction happens and will be extracted out later during product purification?
 

Acab1312

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I'm currently experimenting with al/hg and wanted to scale the synthesis. I asked myself the question of whether it is absolutely necessary to use a capacitor? I suspect it is needed to keep the methylamine and solvent (methanol) in reaction vessel. But would it be possible to compensate for methylamine loss with a new methylamine-methanol solution?
 

Chemist Jun

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Perhaps an excess of methylamine was used, not much, just to compensate
Add an amount of water
Keep the temperature no more than 60 degrees and you will be fine
 

Acab1312

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Thanks Perfect will try
 

Dephoj

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Hello,is it possible to replace methylamine with something other ?thanks
 

William D.

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I have heard of success with nitromethane, but the yields are lower.
 
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