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Laboratory Tips Safety proceedures, test reagents, drilling rubber stoppers, bending glass tubes, etc. Contributed to by chemists.

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 #1 
Old 2003-06-16, 00:16
adnagi adnagi is offline
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Default reduce l-ephedrine to d-methamphetamine quickly and easily

In the process the guy use ammonia nitrate for ammonia blue result...

This process is a fake !

MJ info typed over from the original anarchist cookbook by Wiliam Powell

Methamphetamine

meth, speed, crystal, glass, crank, yaba

I got the meth recipe below from the lycaeum, read it and see how easy it is. The two most important ingredients are blue ammonia and lithium strips. The blue ammonia is easy to make yourself with the method below and lithium strips can be obtained from old batteries.

Blue Ammonia

Blue ammonia can de made by mixing 2 parts ammonia nitrate (fertilizer), 1 part red devil lye (NaOH) and a little of pure salt (NaCl). take 2 dry tanks (5gl propane tanks) 1st tank is mixing tank. Put a 3/4 x 4 nipple on to top of mixing tank then 3/4 valve- 1" nipple- 1 3/4 tee- then screw 18" piece of pipe onto tee sticking straight up with screw on cap. Off of tee short nipple and 3/4 valve, pipe over from this valve to second tank.

take all dry mixtures from above and put into tank 1. Make sure both valves are OFF. Take cap off of 18" pipe, fill pipe with industrial strength ammonia. While tank 2 is totally submerged in ice open valve 1 and let liquid ammonia drop. let react for 15- 20 minutes. open valve 1 then 2, you will hear vapors go from tank 1 to tank 2. Do this step several times until it stops reacting. You should have pure blue ammonia that will melt lithium strips when added. This ammonia will eat up the brass valves so try to use stainless steel valves if possible. You will need to replace the brass ones when you hear, or see it leaking. You will smell the vapors leaking from the valves when they need to be replaced. Does not yield a lot of liquid ammonia, but it does work if done right.

Lithium-Ammonia Reduction

Reference: Ely, R. A. and McGrath, D.C., "Lithium-Ammonia Reduction of Ephedrine to Methamphetamine: An Unusual Clandestine Synthesis," Journal of Forensic Sciences, JFSCA, Vol. 35, No. 3, May 1990, pp. 720-723

Procedure:

All the chemicals were reagent grade, with no special treatment of the tetrahydrofuran (THF), and the atmosphere above the condensed ammonia was not flushed with nitrogen gas.

A three-neck flask was cooled in a dry ice/acetone bath. A condenser was fitted in the center neck, an additional funnel containing l-ephedrine base in THF was fitted into one side neck, and a rubber stopper fitted with a glass tube extending to the bottom of the flask was fitted in the third neck. Anhydrous ammonia gas was condensed and collected in the flask. Small pieces of lithium metal were rinsed in petroleum ether, patted dry, and added to the condensed ammonia. A deep royal blue color was noted as the lithium metal dissolved in the condensed ammonia.

The l-ephedrine was added drop wise to the lithium ammonia solution over a period of approximately 10 minutes with stirring. When all of the l-ephedrine had been added, ammonium chloride was added slowly to the solution. The flask was removed from the cooling bath, and the condensed ammonia was allowed to warm to room temperature and evaporate from the flask through the side necks.

When most of the ammonia had evaporated, water was added to the remaining solution until it cleared and any remaining lithium metal was decomposed. The remaining solution was removed from the flask to a separatory funnel, where the aqueous layer was discarded. The THF layer was dried with magnesium sulfate, and the hydrochloride salt of the methamphetamine was made by bubbling hydrogen chloride through the THF.

The same procedure was used, substituting phenylproponolamine and methylephedrine as the starting materials. A second synthesis was conducted with l-ephedrine, using the same procedure except that the reaction was not quenched with ammonium chloride.

Results:

The reaction was found to reduce l-ephedrine to d-methamphetamine quickly and easily . Furthermore, it was found that the reaction converted phenylpropanolamine to amphetamine and methylephedrine to dimethylamphetamine. The time required for the reaction to proceed from the condensing of the ammonia gas in the reaction flask until the excess lithium was decomposed was approximately one hour. The majority of this time was spent waiting for the condensed ammonia to evaporate from the reaction flask.

It was also found that the ephedrine would reduce to methamphetamine without the addition of ammonium chloride as a quenching agent.

From: eleusis@netcom.com (Eleusis)

According to the infamous J.For.Sci. article describing a "novel method of amphetamine production", the researchers concluded that with or without an ammonium chloride quench yields were good. I like this article especially because the rinky-dink DEA chemists that wrote it didn't seem to entirely grasp the concept of the procedure they were doing (in fact, a slightly modified Birch reduction known by some other name I can't recall). All in all, quite an entertaining and educational article ;-).

From: dmurphy3@aol.com (DMurphy3)

This may be so (in fact I read the same article), but typically a water quench leads to the alcohol, which is what we were trying to get rid of to start with. Also, if one were using Na rather than Li (Na is the Birch, I too forget the Li named reduction), adding water to quench will *definitely* be exciting, particularly considering the flammability of THF or ether.

Apparently they were following the guys handwritten notes. It would have been even more interesting had they used the real Birch method, using Na, especially when they tried the water quench ;> )

From: eleusis@netcom.com (Eleusis)

Yep - apparently that would be the case. As well, any extra Li (or Na if doing the straight Birch method) would convert to the Hydroxide, which might fuck the product up a bit.

I bet you they *did* do that the first time, and then, after they replaced that wing of the lab, they decided not to "publish" those results ;-).
 #2 
Old 2003-06-16, 00:23
adnagi adnagi is offline
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Default Re: reduce l-ephedrine to d-methamphetamine quickly and easily

Sorry my question if this post is a fake ?
 #3 
Old 2003-06-16, 23:56
DrY.R.Head DrY.R.Head is offline
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Default Re: reduce l-ephedrine to d-methamphetamine quickly and easily

That is the Birch reduction method. Some times called the Nazi meth method.
 
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