Syntéza amfetamínu z jedného hrnca z P2NP pomocou NaBH4/CuCl2 (v mierke 1 kg)

Montecristo

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Tu bolo to, čo som urobil v menšom rozsahu;
1. Roztok IPA/H2O 2:1 ((IPA 800 ml, H2O 400 ml)(1200 ml)) bol pridaný do 2000 ml banky.
2. NaBH4 (116 g) bol pridaný naraz a začalo sa miešať.
3. P2NP (67 g) sa pridával po malých dávkach tak, aby teplota zmesi neprekročila 60 *С.
4. CuCl2 (7 g) vo vode (13 ml) sa pridával pomaly po kvapkách tak, aby teplota zmesi nepresiahla 80 *С.
5. Potom sa reakcia refluxovala pri teplote 80 °C počas 30 minút s použitím vonkajšieho ohrevu.
6. Roztok sa dekantoval a odfiltroval z reakčného odpadu a vložil do separačného lievika.
7. Do reakčnej zmesi sa pridal 25 % vodný roztok NaOH (533 ml) a fázy sa oddelili.
8. Spodná vrstva sa odsaje do veľkej kadičky a zozbiera sa vrchná organická vrstva.
9. Vodná fáza sa potom dala do separačného lievika a extrahovala sa 500 ml IPA.
10. IPA sa odparila na 3/4, polovica mliečnej voľnej bázy a polovica IPA.
11. IPA a freebase sa rozpustili v 130 ml acetónu.
12.Kyselina ortofosforečná sa nakvapkala na pH - 6 (za stáleho miešania).
13.Zmes sa vložila do mrazničky na 12 hodín.
14.Po kryštalizácii sa suspenzia prefiltrovala a premyla suchým studeným acetónom, až kým sa acetón nevyčistil.
15.Acetón z premývania a zmes ipa/acetón sa vložili späť do mrazničky na ďalšie zrážanie.
16. Proces sa opakuje, kým sa už nezrazí žiadna zrazenina, aby sa získalo 60 - 70 % vysokokvalitného amfetamínu, keďže sa do zmesi dostáva viac acetónu, možno bude potrebné nakvapkať ešte trochu kyseliny, aby sa znížila, ale nie príliš veľa, pretože acetón má ph7.

Tu je fotografia niektorých vysušených pastovitých kameňov , zvyšok je suchý prášok, ktorý sa musí zmiešať, pretože je pre mňa a mojich priateľov príliš silný.
Možno aktualizujem recept a napíšem ho pre malých domácich chemikov, je veľa spôsobov, ako by to mohlo byť lepšie.
 

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flyhigh

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toto nie je metamfetamín , môžete odtiaľto napísať, ako sa z neho vyrába metamfetamín
 

Kylemalone1297

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A different process. P2P or sudo. Just pick one. But these are safer imo
 

G.Patton

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Ahoj. CuCl2 funguje v tejto reakcii ako katalyzátor. Potrebujete podrobnejšie vysvetlenie?
 

Kylemalone1297

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I would like to know the entire concept if u k know it. Like how much copper to reduce p2np exactly. Are we making an electron here in this synth? What is going on exactly ? I understand how to run through but not the actual chemical reaction that is happening.
 

G.Patton

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What do you mean?
There is clearly said how much. 105g CuCl2 per 1kg P2NP.

NaBH4 donate hydrogen while this reaction to P2NP and nitrogen atom change its oxidation state from +3 to -3. Hence, it get 6 electrons.
 

mithyl2

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A aké % kyseliny sírovej by sa malo použiť?
 

Kylemalone1297

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Buy virgin sulfuric from as drain cleaner if u can’t find one with a high purity. I could only find like 20% online for some reason. The drain cleaner is actualy more pure. Like wtf
 

G.Patton

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it's worth to use 96-98%, but you can use less concentrated as well.
 

diogenes

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Dobrý deň,

práve som vykonal túto syntézu a výťažok je 60 %+ (časť acetónu je stále v mrazničke), čo nie je zlé vzhľadom na to, že v určitom momente sa reakčná hmota vyliala (prehriala sa a začala expandovať). Rýchlo som ju ochladil a potom som na zvyšok reakcie udržiaval spätný chladič (v pôvodnom opise sa to neuvádza). Po pridaní časti P2NP dochádza k určitému oneskoreniu nárastu tepla, čo je potrebné zohľadniť, ďalšiu časť som pridal príliš rýchlo. Studený kúpeľ je vhodný. Konečný produkt je veľmi účinný z hľadiska biotestu, robím acidobázickú extrakciu, aby som zistil, či sú v konečnom produkte aj iné chemické látky. Je tu mierny, výrazný zápach, ktorý identifikujem ako blízky zápachu Cu možno?, ktorý pretrváva napriek 5-násobnému premytiu acetónom a veľmi bielemu, čisto vyzerajúcemu produktu.

Zaujímalo by ma, či je tu niekto, kto by mohol napísať presnú reakciu, ktorá sa pri tejto syntéze odohráva. Nie je mi jasná úloha CuCl2 a tiež to, ako sa pohybujú atómy H atď. Bolo by veľmi užitočné mať reakciu vysvetlenú trochu podrobnejšie. Ospravedlňujem sa, ak to už bolo spomenuté, videl som väčšinu tohto vlákna, ale v poslednom čase som nemal možnosť dohnať to. Ďakujem.
 

mile123

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Hello!

What reflux condenser do you recommend, is Friedrichs really worth double the price compared to Graham?


I read here that @OrgUnikum recommends Friedrichs.


I'm thinking about adding reflux condenser at 3. step

because of suggestion below

and possible h2 production safety reasons


Br,
Mile
 

WinterDust

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V súčasnosti robím dávky 200 g P2nP.

Mám celkom dobrý spôsob chladenia, takže moja teplota nikdy neprekročí 47celsius.

Pridanie celej dávky 200 g trvá 1 h.

Po pridaní P2nP trvá reakcia chvíľu, kým sa prvýkrát prejaví a začne sa tvoriť pena, počas penenia. Nepridávajte viac P2nP! Počkajte, kým sa pena usadí a uvidíte 60 % peny a 40 % kvapaliny, to je "mäkké miesto" na pridanie ďalšej dávky.
 

Kylemalone1297

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What all am I looking for during the reaction, can u see when it is happening and when it is done ? Can u explain more about what the chemistry is behind what is happening during the reaction. Just to have more understanding of how it works
 

WinterDust

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Dobrý deň,

Otázka: Čo je to chemický priemysel?

Keď sa amfetamínový olej vykryštalizuje kyselinou sírovou, je čas odfiltrovať amfetamín Buchnerovým lievikom, moja otázka znie. Aký typ filtračného papiera sa na to odporúča?

Pozerám sa napríklad na filter s nasledujúcimi vlastnosťami, je to dobré odporúčanie?

Vlastnosti filtra:
Filtračné papiere z tissue papiera
Tvrdé filtre - čas filtrácie 140 sekúnd (Retencia> 2 µm). Pomalá filtrácia.
Husté filtre na jemné a veľmi jemné usadeniny.
Hmotnosť: 85 g/m2.
Hrúbka: 0,17 mm.
Čas filtrácie: 140 s.
Retencia:> 2 µm.


S pozdravom
 

mile123

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1. Material:
Generally, tissue paper is not recommended for chemical filtration, especially in organic chemistry, as it may not provide the necessary chemical resistance and could introduce impurities.

3. Retention:
This retention level is suitable for filtering out larger particles, but if the amphetamine salt crystals are smaller than this size, they may pass through the filter. For crystallization processes, you typically want a filter paper that can retain smaller particles, ideally in the range of 1 µm or less.


4. Weight (85 g/m²) and Thickness (0.17 mm):
a relatively dense filter paper, which may be good for fine filtration but could also slow down the process. Thicker filter papers tend to have lower flow rates

Recommendations​

Quantitative Filter Paper:
Look for papers with a retention size of 1 µm or less, which would be more suitable for filtering fine crystals.


Buchner Funnel Filtration:
Whatman filter paper or similar brands that are specifically designed for vacuum filtration. These papers are available in various grades, including those with finer retention capabilities (e.g., Whatman Grade 1 or Grade 2).

src: chatgpt

Let me know if something is wrong
 

ASheSChem

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Dobrá otázka.. aj mňa to zaujíma..
v skutočnosti používam toto
FzdjT09Rtc
4Bi1xnHSvJ


ale neviem, čo to je lol

Videl som veľa typov filtrov "kvalitatívnych" alebo "kvantitatívnych" a v každej kategórii verzia "pomalá" "stredná" a "rýchla"...
Čo je najlepšie ? :p
 

mile123

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Quantitative Filter Paper
Specification: 9.0 cm
The second image has a table with various specifications, likely describing different types of filter paper based on attributes like thickness, pore size, or filtration speed.

9ut4zHprkZ

from chatgpt
 

wannabewalter

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What is a purity of a final 60% - 70% yield? I found that there is such thing as amphetamine paste and amphetamine sulfate and sulfate is x2 in price. What is this final product (124.4g on video)?
 

aaduo04

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a videóban a végső mennyiség szulfát. A paszta konzisztenciája tömeg szerint 3x lehet, mert az oldószerek nem párologtak el. (javítsatok ki, ha tévedek).
 

Kylemalone1297

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Can I do a run of the synth with only 5g p2np ? To get a grip on it first.
 

G.Patton

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You have to! Small scale batch is necessary to carry out several times before large one in order to understand this synthesis and remember it well.
 

Kylemalone1297

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Is 5g p2np okay or too small ? And is pressure required during reaction or just the constant heating ?
 

G.Patton

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Yes, okay. Atmosphere pressure.
 

Kylemalone1297

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Is the pressure required or will it do fine just running hot with no pressure? Do I need to hold as much pressure as possible ? I have a nice 1000ml heavy wall round bottom. So it will hold some, but if it isn’t needed I won’t worry about it.
 

Ironbender

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I tried this synthesis on a small scale.
It failed completely. In the end I didn't even receive A-Oil.

This was my path:

p2np 10g

IPA/H2O (1:2) IPA 120ml/H2O 60ml (180ml)

NaBH4 17.4g

CuSO4.5H2O 7.9g in 20ml H2O

NaOH 25.6g in 80ml H2O

First water and then IPA were filled into the flask at room temperature and stirred.

NaBH4 was completely filled into the flask and stirred overhead.

p2np was added over a period of 30 min.
The temperature did not rise above 45 degrees.

When all P2NP was in the flask I increased the temperature to 55-58 degrees and refluxed for 40 minutes.

Then CuSO4.5H2O
dropped into the flask. Black copper immediately formed
Somehow the temperature didn't increase.

The RM was heated in a water bath to 78-80 degrees for 30 minutes.

The flask was left at room temperature for 1 hour.

There were 2 layers in the flask, black copper at the bottom. 'Amber cloudy at the top.

There was something slightly yellow in between that couldn't be dissolved.

Then 80 ml of 25% NaOH was added to the RM and a dark amber layer became visible.

It didn't smell like amphetamine base,
it smelled very flowery.
Nothing reminiscent of Amphetamine Oil.

Can someone explain what was wrong?
I followed the small scale instructions from this thread

p2np was from BM-chemistry
and looks very clean and bright.
It can't fail because of that.

I'm sorry for the bad English, hope you understand what I want to say.
 
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