Methamphetamine synthesis from P2P via Aluminum amalgam

[Fenster]

Can Methanol replace ethanol as solvent?

 

[Ranof]

Yes, it's even better.

 

[Ranof]

But the risk of toxic gases increases.

 

[Ortist]

This writeup is a total mess. Following it as is will give you 10% yeld. Or may be less.

1. Aluminium amalgam must be prepared in advance, it is important step
2. Add your p2p, Methylamine to amalgam along with isopropanol
3. Keep reaction temp <30 degrees
4. With 40g of p2p and 40g aluminium FOIL you'll get 100% runaway .
5. Add NaOH/KOH before filtering Al/Hg sludge, it makes filtering process easier and kills remaining Al
6. And so on...

 

[Jordan Belfort]

I did before on 200L drums, 100L drums are also fine, and did one pot reaction.

350-400 grams of mercury on 10L b (400 grams is really a lot aggressive), 15L methylamine 40% and then like 30L methanol.
The foil I am unsure, I had in the end made like 2/3 of a bucket full with scrathed/damaged foil (no balls) so it was that weight.

In the end it was to much foil.
Yield; 12L at PH 12.

Back then with methylamine, everyone knows there are better alternatives for that when working with, f.e., with Al/Hg

 

[Labchef]

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]

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]

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]

Thanks Perfect will try

 

[Chemdogkm]

shouldnt be much lost at good temp and condensor

 

[Acab1312]

My goal is to do p2p in about 10L per lap.

 

[Dephoj]

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

 

[William D.]

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