Scalability of meth via ephedrine route

rotovap5002

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How scalable is the meth via ephedrine and H3PO2 before the reaction becomes unstable?
Is it possible to do 2kg batches with very good reflux, any one has any experience?
 

PersonVPN

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Very unstable reaction.
If you are inexperienced, start with 30 g of eferdine.
Experienced chemists don’t ask this question:)
 

rotovap5002

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I am experienced just not with this reaction and i know that it is very unstable so i was just wondering if it was scalable or not.
 

PersonVPN

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This reaction is a difficult path for a beginner.
But it's not unusual for someone who is passionate about chemistry.


But nothing is impossible!
Try it on minimal quantities and you will learn.
That's how I started too!

The most important:
Don't do this where you live.
Let it be a garage.

I wish you success! :)
 

rotovap5002

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Oh well with unknown reactions you always start with 20g then scale up slowly slowly.
I wouldn't even do this in a garage.
Dont plan on doing this though, ephedrine is impossible to find.
 

PersonVPN

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HaHaHahAHa....:)
don't forget to use the search!


 
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rotovap5002

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Damn, 8500€ per kg. More expensive than the final product itself. Ouch
 

PersonVPN

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Yes, I agree!
Therefore, it is better to synthesize it yourself.
The full description is here on the forum, in the *VIDEO* section
 

rotovap5002

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Thanks, at those prices its worth taking a look at it and see if it's viable. 8500 is ridiculous
 
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