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  #1  
Old 08-25-2012, 10:31 PM
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Default extracting ephedrine?

can someone explain the process of extracting ephedrine or psuedoephedrine from the ephedra plant? could it be extracted from those ma-huang pills that are sold in vitamin shops? i have heard steam distillation works however i couldn't find much info on it.

thanks
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Last edited by _shameless_; 08-26-2012 at 01:49 AM.
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Old 08-25-2012, 10:44 PM
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Default Re: extracting ephedrine?

distillation

find boiling point of ephedrine
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Old 08-26-2012, 12:08 AM
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Default Re: extracting ephedrine?

nbn

Last edited by frozenveinz; 05-29-2013 at 07:39 AM.
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Old 08-26-2012, 12:15 AM
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Default Re: extracting ephedrine?

Quote:
Originally Posted by frozenveinz View Post
No such thing as an ephedrine plant. There is the Ephedra plant, or Mua Huang. UTFSE.

http://www.erowid.org/archive/rhodiu...ephedrine.html
my bad, idk why i typed ephedrine :/ yea i know its called the ephedra plant
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Old 08-26-2012, 12:34 AM
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Default Re: extracting ephedrine?

The ephedra at diet pill shops in the USA do not contain ephedrine or its sister chemicals if I remember right. Its like the coca tea sold in the USA, the good stuff has been taken out.

Theres some chinese trading sites that I bet you can find ephedra powder on that may contain 1-8% ephedrine.

You best bet thought is a full on raid on a pharmaceutical storage warehouse. You will have to murder all witnesses though, not because they could identify you but because its good luck. Our patron saint demands the sacrifices!!
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Old 08-26-2012, 01:11 AM
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Default Re: extracting ephedrine?

Totally thought this was a troll thread. "ephedrine plant" "mah Wang".
Funny stuff.
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Old 08-26-2012, 01:50 AM
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Default Re: extracting ephedrine?

Quote:
Originally Posted by INEEDMONEY View Post
The ephedra at diet pill shops in the USA do not contain ephedrine or its sister chemicals if I remember right. Its like the coca tea sold in the USA, the good stuff has been taken out.

Theres some chinese trading sites that I bet you can find ephedra powder on that may contain 1-8% ephedrine.

You best bet thought is a full on raid on a pharmaceutical storage warehouse. You will have to murder all witnesses though, not because they could identify you but because its good luck. Our patron saint demands the sacrifices!!
ill start rallying the meth heads
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Old 08-29-2012, 12:26 AM
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Default Re: extracting ephedrine?

sida cordifolia

Ephen extractions should run like normal alkaloid extractions, except that at pH 13+ the ephed can become water soluble as the benzyl OH deprotonates.
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Old 08-29-2012, 12:40 AM
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Default Re: extracting ephedrine?

Quote:
Originally Posted by Hydroponichronic View Post
sida cordifolia

Ephen extractions should run like normal alkaloid extractions, except that at pH 13+ the ephed can become water soluble as the benzyl OH deprotonates.
because someone who has to ask will know what that means
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Old 08-29-2012, 02:24 AM
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Heart Re: extracting ephedrine?

Quote:
Originally Posted by Hydroponichronic View Post
sida cordifolia

Ephen extractions should run like normal alkaloid extractions, except that at pH 13+ the ephed can become water soluble as the benzyl OH deprotonates.
Wow, I didn't realize benzylic hydroxyls had that sort of acidity. This effectively gives every meth head the right to demand drugs without ephedrine contamination.
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Old 09-05-2012, 12:36 AM
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Default Re: extracting ephedrine?

The dried plant material will contain around 1% ephedrine. Solvent extracting a kg of dried plant will require a lot of solvent, which will become filled with plant gunk. By the time you actually get the ephedrine out of the solvent there will not be much of your 10gram theoretical left. Steam might be easier, however i believe the freebase might be slightly water soluble which might doom the venture. This all becomes easier on an industrial scale but small scale can be hard.

I would look in uncle festers book. It is possible to use yeast to turn benzaldehyde (also shows how to make) to ephedrine. Not easy as nasal pills, but likely easier then growing/extracting plants. This could be disguised as a biodiesel operation and solvents could be reused, no input chemicals would be needed. However i have no experience doing any of this, it is only a small scale hobby for me. Someday i would like to try a 5gal bucket, suppose yield 5-10grams.

Edit: Ya, i think Hydroponichronic has good information. I overbasified and my ephedrine one time and the freebase became water soluble (never understood what happened until now). From nature it should be completely insoluble.

Last edited by bmays04; 09-05-2012 at 12:42 AM.
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