WillD

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1-Can i use the toluene extraction after Hypophosphorous refluxe?
2-What is the purity obtained, and how to improve it?
3-What is the maximum amount that can be synthesized with these methods?
brianvene1u use this synthesis (click). In the end, we add an aqueous alkali solution to the basic pH (>10). Toluene can be used for extraction. Extract we can wash with water, brine, thiosulfate (to wash the remaining iodine). The reaction is well scaled if there is a necessary equipment (good stirring, sufficient volume of a flasks and controlled reflux). But scaling must be made gradually (if there is no experience)
 
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ice

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u use this synthesis (click). In the end, we add an aqueous alkali solution to the basic pH (>10). Toluene can be used for extraction. Extract we can wash with water, brine, thiosulfate (to wash the remaining iodine). The reaction is well scaled if there is a necessary equipment (good stirring, sufficient volume of a flasks and controlled reflux). But scaling must be made gradually (if there is no experience)
William DampierHello, I follow the Moscow route. In the last step, hydrogen chloride gas is passed into the toluene extraction solution, and some transparent crystalline substances are obtained in the wall of the beaker, unlike the white powder in the video. I simply can't stand the pungent smell of hydrogen chloride gas. When the toluene solution is poured out at the end, there is still a small amount of yellow oily liquid at the bottom of the beaker. Am I not introducing enough hydrogen chloride?
 

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Hello I had a problem today with generating hydrochloride gas. I followed the video and I made the generater from gas can. I used 31% hydrochlorid acid and salt. There was no ratio of salt and hydrochloride acid so I added randomly and it didnt have the power to pushe gas through hose and it didnt bubble. I looked on internet and I found tutorial to use aluminium with hydrochloride acid. Can I use this method? The reaction was pretty short only for 5seconds. Does anyone know what was the problem with the salt and hydrochloride acid method?
 

SoldadoDeDrogas

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Hello I had a problem today with generating hydrochloride gas. I followed the video and I made the generater from gas can. I used 31% hydrochlorid acid and salt. There was no ratio of salt and hydrochloride acid so I added randomly and it didnt have the power to pushe gas through hose and it didnt bubble. I looked on internet and I found tutorial to use aluminium with hydrochloride acid. Can I use this method? The reaction was pretty short only for 5seconds. Does anyone know what was the problem with the salt and hydrochloride acid method?
evangeliumYou have to use HCl and CaCl or H2SO4 and NaCl. Use a smaller generator so you dont have to use alot of material. HCl and Al foil aren't going to do anything but make a mess.
Use a small, squeezable generator, so you can push the gas in if necessary, but make sure not to suck back your product! Try 10-15g of CaCl or NaCl and maybe 50ml or so of HCl or H2SO4. Use non iodized salt. Put everything together and block off the end of your hose and wait 5 mins for the pressure to build. Submerge your hose into your product and release the pressure, thus bubbling your gas through the product, as I said, squeeze it if necessary, but be careful.
 

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i tried to extract the rp from matches and i boiled it for 2hours with naoh solution and it turn gray it bubbled and now after washing it with distilled water it turn to grey powder and its dissapiring little bit what i did wrong ?
 

Johnny_Hammersticks

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i tried to extract the rp from matches and i boiled it for 2hours with naoh solution and it turn gray it bubbled and now after washing it with distilled water it turn to grey powder and its dissapiring little bit what i did wrong ?
evangeliumwhy would you boil the rp in naoh solution? no it shouldn't turn grey, it should still be red when you're done.
 

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evangelium
What went wrong is you boiled your RP in NaOH for 2 hours... where are you getting your instruction? I just read through this whole post and it's all here. Can you not understand the directions or are you just deciding to put your own spin on everything as you go?
 

B.d.p.n.e

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@xena

1- If you have a problem with this issue, subtract with the a/b method.

2- What do you mean when you say iodine solution?
 

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@xena

1- If you have a problem with this issue, subtract with the a/b method.

2- What do you mean when you say iodine solution?
B.d.p.n.e1. Im not really having a problem with it, was just wandering if Dichloromethane can be used? If ephedrine isnt soluble in Dichloromethane, it should work right?
2. Ignore this, I just re-read, you put the crystals straight in.

 

V€ctor Company

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I have heard that when you synthesise methamphetamine from ephedrine or pseudoephedrine, you end up with dextro-methamphetamine instead of racemic methamphetamine without having to separate the isomers, is this true?

I was told that you only need to separate the isomers for dextro-methamphetamine when you synthesise it from P2P.
 

WillD

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If you have the desired natural ephedrine, and not the synthetic racematic one.
 

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These synthesis will give a racemate eph. Only extraction of natural raw materials or separation of isomers.
 

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Pilotenn: Yes. Assuming youre talking about the "red p cook 101" video. Those are very basic instructions and an outline for the procedure. Red-p, iodine and pseudoephedrine and a little water are reacted together for some time. The resulting solution is filtered. Sodium thiosulfate is added to the lye during the basing step to help remove left over impurities from the iodine/phosphorous/PSE solution. Lye is added to basify the solution. The freebase meth is forced out as an oil. Solvent is added to collect the oil, which is then gassed to precipitate your crystals out of solution. Rinse in acetone, (not in the video), to help purify further. Dry it completely and your product is finished.
 

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Pilotenn: Yes. Assuming youre talking about the "red p cook 101" video. Those are very basic instructions and an outline for the procedure. Red-p, iodine and pseudoephedrine and a little water are reacted together for some time. The resulting solution is filtered. Sodium thiosulfate is added to the lye during the basing step to help remove left over impurities from the iodine/phosphorous/PSE solution. Lye is added to basify the solution. The freebase meth is forced out as an oil. Solvent is added to collect the oil, which is then gassed to precipitate your crystals out of solution. Rinse in acetone, (not in the video), to help purify further. Dry it completely and your product is finished.
SoldadoDeDrogasthank youu.

How much sodium thiosulfate should I add and can I use ether as a solvent and I will take the layer on top and bubble it in hydrogen chloride gas as in the video, thank you
 

SoldadoDeDrogas

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thank youu.

How much sodium thiosulfate should I add and can I use ether as a solvent and I will take the layer on top and bubble it in hydrogen chloride gas as in the video, thank you
pilotennI'm not an expert, this is just what I've come to learn through my studies, I haven't done it personally (yet). Everyones recipe seems to be different as far as proportions, I don't have my own for what works. I just learned about using sodium thiosulfate as part of the process myself. Having said that, for every 1 gram of PSE you use .05 of thiosulfate. So if you use 10 grams of PSE, you are only using A HALF GRAM ( .5 ) of thiosulfate - barely anything. Here is a resource
They it say it further removes impurities, unreacted iodine and or a byproduct of the reaction called aziridine. You seem to have the right idea. I believe ether works, but supposedly there is better choices, I hear others swear by coleman fuel or toluene.

Remember to add your NaOH and thiosulfate solution SLOWLY to your reacted filtered product.
NOTE: I don't know if it is better to add the NaOH and thiosulfate straight up or if its better to make an H2O solution. I see different methods to get the same results but wish I had the experience because I would know the difference and be able to share the knowledge. So I apologize on that end. This is all "in theory" for me. If I could get the PSE I needed it would be another story.

Anyway, when you get to Ph 13-14 the meth oil base will push itself out of the solution to the top layer. Again, this is where you add your solvent to catch your product and seperate the top layer. This is where you HCl gas and make your snow globe :} Filter and dry and you're good. After you can pour acetone to wash and further purify. Then you can use dry IPA to recrystalize perfecto - you will lose quantity with the acetone and IPA of course but the higher quality grabs you that much harder ;] Good luck, brother, I wish you success o7
 

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I'm not an expert, this is just what I've come to learn through my studies, I haven't done it personally (yet). Everyones recipe seems to be different as far as proportions, I don't have my own for what works. I just learned about using sodium thiosulfate as part of the process myself. Having said that, for every 1 gram of PSE you use .05 of thiosulfate. So if you use 10 grams of PSE, you are only using A HALF GRAM ( .5 ) of thiosulfate - barely anything. Here is a resource
They it say it further removes impurities, unreacted iodine and or a byproduct of the reaction called aziridine. You seem to have the right idea. I believe ether works, but supposedly there is better choices, I hear others swear by coleman fuel or toluene.

Remember to add your NaOH and thiosulfate solution SLOWLY to your reacted filtered product.
NOTE: I don't know if it is better to add the NaOH and thiosulfate straight up or if its better to make an H2O solution. I see different methods to get the same results but wish I had the experience because I would know the difference and be able to share the knowledge. So I apologize on that end. This is all "in theory" for me. If I could get the PSE I needed it would be another story.

Anyway, when you get to Ph 13-14 the meth oil base will push itself out of the solution to the top layer. Again, this is where you add your solvent to catch your product and seperate the top layer. This is where you HCl gas and make your snow globe :} Filter and dry and you're good. After you can pour acetone to wash and further purify. Then you can use dry IPA to recrystalize perfecto - you will lose quantity with the acetone and IPA of course but the higher quality grabs you that much harder ;] Good luck, brother, I wish you success o7
SoldadoDeDrogasthanks
 

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@G.Patton hello sir, about the moscow route, I have a little problem at the stage where when I mix toluene into free base, where the moscow route method says the toluene extract is clear to pale yellow in color while mine looks like reddish tea water. the question is where is my mistake? by the way for the dose I followed the JBSC video on youtube. thanks for advance
 

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@G.Patton hello sir, about the moscow route, I have a little problem at the stage where when I mix toluene into free base, where the moscow route method says the toluene extract is clear to pale yellow in color while mine looks like reddish tea water. the question is where is my mistake? by the way for the dose I followed the JBSC video on youtube. thanks for advance
faizdh20Hello. Probably it's colored by some side products. You can purify the final product to get it pure.
 

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@faizdh20 It's hard to say where because noone knows what you did. I am learning along the same lines as you, you may want to check out a post I made called "my version of how NOT to cook" for some troubleshooting. I'm thinking you have an excess of unreacted iodine, other contaminants, or maybe you just need to filter better but I am unclear myself. Did your oil push out after you based?
 

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@faizdh20 It's hard to say where because noone knows what you did. I am learning along the same lines as you, you may want to check out a post I made called "my version of how NOT to cook" for some troubleshooting. I'm thinking you have an excess of unreacted iodine, other contaminants, or maybe you just need to filter better but I am unclear myself. Did your oil push out after you based?
SoldadoDeDrogasok sir, maybe I should check the post, thanks
 

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@faizdh20 It's hard to say where because noone knows what you did. I am learning along the same lines as you, you may want to check out a post I made called "my version of how NOT to cook" for some troubleshooting. I'm thinking you have an excess of unreacted iodine, other contaminants, or maybe you just need to filter better but I am unclear myself. Did your oil push out after you based?
SoldadoDeDrogasCan you give me step by step instructions on the process I need to do in a short and clear way? if you don't mind, I need photos as a visual reference on each part. sorry I'm asking this because my English is bad. so it's a little confusing for me.
 

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Can you give me step by step instructions on the process I need to do in a short and clear way? if you don't mind, I need photos as a visual reference on each part. sorry I'm asking this because my English is bad. so it's a little confusing for me.
faizdh20Yes my friend, I send you a PM.
 
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