Sinteza amfetamina iz P2NP z NaBH4/CuCl2 v enem loncu (merilo 1 kg)

Montecristo

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Tukaj je bilo tisto, kar sem naredil v manjšem obsegu;
1. Raztopini IPA/H2O 2:1 ((IPA 800ml, H2O 400ml)(1200ml)) sem dodal 2000ml bučko.
2. NaBH4 (116 g) smo dodali naenkrat in začeli mešati.
3. P2NP (67 g) je bil dodan v majhnih obrokih, tako da temperatura zmesi ni presegla 60 *С.
4. CuCl2 (7 g) v vodi (13 ml) je bil dodan počasi po kapljicah, tako da temperatura zmesi ni presegla 80 *С.
5. Nato smo reakcijo z zunanjim ogrevanjem 30 minut refluksirali pri 80 °C.
6. Raztopina se dekantira in filtrira od reakcijskih odpadkov ter prelije v separacijski lijak.
7. Reakcijski zmesi smo dodali 25-odstotno vodno raztopino NaOH (533 ml) in ločili faze.
8. Spodnjo plast odcedimo v veliko čašo in zberemo zgornjo organsko plast.
9. Vodno fazo smo nato prenesli v separacijski lijak in jo ekstrahirali s 500 ml IPA.
10. IPA je bil izparevan po 3/4, polovica mlečne proste baze in polovica IPA.
11.IPA in freebase smo raztopili v 130 ml acetona.
12.ortofosforna kislina je kapljala do pH - 6 (ob stalnem mešanju).
13.Mešanica je bila za 12 ur postavljena v zamrzovalnik.
14.Po kristalizaciji smo suspenzijo filtrirali in izpirali s suhim hladnim acetonom, dokler aceton ni čist.
15.Aceton iz izpiranja in zmes ipa/aceton smo dali nazaj v zamrzovalnik za nadaljnje obarjanje.
16. Postopek se ponovi, dokler ni več oborine, da dobimo 60-70 % visokokakovostnega amfetamina, ker je v mešanici več acetona, bo morda treba kapniti še nekaj kisline, da se zniža, vendar ne preveč, saj je aceton ph7.

Tukaj je fotografija nekaterih posušenih kamnov iz paste, ostalo je suh prah, ki ga je treba zmešati, saj je premočan zame in moje prijatelje.
Morda bom posodobil recept in napisal članek za male domače kemike, saj je veliko načinov, kako bi bilo to mogoče izboljšati.
 

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flyhigh

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to ni metamfetamin , ali lahko od tu napišete, kako ga narediti za kristalni metamfetamin
 

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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Pozdravljeni. CuCl2 v tej reakciji deluje kot katalizator. Ali potrebujete podrobnejšo razlago?
 

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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in kolikšen % žveplove kisline je treba uporabiti?
 

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.
 

WinterDust

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Pozdravljeni,

Vprašanje,

Ko se amfetaminsko olje kristalizira z žveplovo kislino, je čas, da amfetamin filtriramo z Buchnerjevim lijakom, moje vprašanje je. Katera vrsta filtrirnega papirja je priporočljiva za to?

Iščem na primer filter z naslednjimi lastnostmi, ali je to dobro priporočilo?

Lastnosti filtra:
Filtrirni papirji iz tissue papirja
Trdi filtri - čas filtriranja 140 sekund (zadrževanje> 2 µm). Počasno filtriranje.
Gosti filtri za fine in zelo fine usedline.
Teža: 85 g/m2.
Debelina: 0,17 mm.
Čas filtriranja: 140 s.
Zadrževanje:> 2 µm.


Z največjim spoštovanjem
 

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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dobro vprašanje... tudi mene zanima..
dejansko uporabljam to
FzdjT09Rtc
4Bi1xnHSvJ


vendar ne vem, kaj je to lol

Videl sem veliko vrst filtrov "kvalitativnih" ali "kvantitativnih" in v vsaki kategoriji različica "počasi" "srednje" in "hitro"...
Katera je najboljša? :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.
 
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