The “Birch method” is a chemical reduction reaction to convert pseudoephedrine in base form into methamphetamine. Although the method was developed by Authur John Birch in 1944, the method has become more popularly known as the Nazi method.
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An increasing number of the clandestine methamphetamine laboratories (currently roughly estimated at 20%) use a procedure known as a dissolving metal reduction, Birch reduction, or in the popular literature as the “Nazi” method, of ephedrine or pseudoephedrine commonly extracted from over-the-counter medications.
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The Birch reduction, also called the "Nazi method", became popular in the mid-to-late 1990s and comprised the bulk of methamphetamine production in Michigan in 2002. It reacts pseudoephedrine with liquid anhydrous ammonia and an alkali metal such as sodium or lithium. The reaction is allowed to stand until the ammonia evaporates.
(251) Police seized large quantities of ephedrine and pseudoephedrine, common precursor chemicals for the manufacture of methamphetamine, from defendant’s home. He claimed on appeal that the district court erred when it used the aggregate weight of the entire mixture containing the precursor chemicals to calculate his sentence. Sign in with your organizational account ... Sign in
Lithium can be used to reduce pseudoephedrine and ephedrine to methamphetamine in the Birch reduction method, which employs solutions of alkali metals dissolved in anhydrous ammonia. However, the effectiveness of such restrictions in controlling illegal production of methamphetamine remains indeterminate and controversial. Pseudoephedrine 60Mg Tab (Stat) 2504831 Sudafed 30Mg Tab (Stat) 2504832 Sulfadiazine 500Mg Tab (Stat) 2504835 Tetracycline 250Mg Cap (Stat) 2504836 Tetracycline 500Mg Cap (Stat) 2504838 Docusate Ca 240Mg Cap (Stat) 2504840 Amantadine 100Mg Cap (Stat) 2504841 Synalar .025% 15Gm Cr (Stat) 2504845 Levothyroxine 0.05Mg T (Stat) 2504846 ...
The Birch reduction is dangerous since the alkali metal and liquid anhydrous ammonia are both extremely reactive, and because the temperature of liquid ammonia makes it susceptible to explosive boiling when reactants are added. Other less-common methods use other means of hydrogenation, such as hydrogen gas in the presence of a catalyst. This article is about the psychostimulant, d-methamphetamine. For the decongestant, l-methamphetamine, see Levomethamphetamine.  The Birch reduction method-also known as the Nazi method-uses ephedrine or pseudoephedrine, anhydrous ammonia, and sodium or lithium metal and requires less than 1 hour to produce methamphetamine that is about 95 percent pure.
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Memo to employees to update personal information Apr 4, 2007 and pseudoephedrine, key ingredients in some meth recipes. for more than a year, a two-story victorian home in aurora, "[he] brought the crystal meth from mexico to this location and dispersed it from here." Le bac vs sat Tapered drum lamp shade
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Proposed mechanism for the two electron, two-proton reduction of ephedrine or pseudoephedrine to methamphetamine methamphetamine product, Scheme 2. The synthesis of methamphetamine can be prevented if a reagent already present in the anhydrous ammonia scavenges the electron. 2.3 Chemical Approaches to Electron Scavenging The principle strategy ...
THE BIRCH IS A DANGEROUS REACTION AND SHOULD NOT BE ATTEMPTED BY AMATEURS. I mean no disrespect to anyone by this statement, I just dont think it has been emphasized enough how dangerous this reaction can be. An OVERVIEW: Technically, the birch reaction refers to reduction by sodium dissolved in ammonia.